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Music Glossary 0-9
Welcome to the Music Glossary 0-9 section, where we dive into terms and concepts in music that start with numbers. This unique section is designed for artists, producers, and music enthusiasts alike, offering insights into terms often associated with measurements, technical specs, production techniques, and specific genres or historical milestones in music.
In this section, you’ll encounter essential terms like 4/4 and 12-bar blues. 4/4, commonly known as “common time,” is the most frequently used time signature in popular music, serving as the rhythmic foundation for countless songs. Understanding this fundamental structure can help musicians build rhythms and connect with audiences through universally recognized beats. Meanwhile, the 12-bar blues, a classic chord progression, has influenced everything from early blues to modern rock and jazz, teaching musicians about song structure and improvisation.
For those interested in audio production, terms like 808 and 303 will sound familiar. The 808, referring to the Roland TR-808 drum machine, is iconic in genres like hip-hop and electronic music. Its deep bass and punchy percussion sounds have shaped entire musical movements. Similarly, the 303 bass synthesizer, initially popularized in acid house music, is known for its distinct “squelchy” sound, adding a unique character to electronic tracks.
This section also includes numeric shorthand for concepts like 1/4-inch jack, a common audio connection for instruments and equipment, and 24-bit, a digital audio term describing the resolution of sound recordings for high-quality audio fidelity.
There are also general terms like the 10,000-Hour Rule… but enough of the spoilers. You’ll need to read on if you want to find out what the 10,000 Hour Rule is!
Whether you’re discovering these terms for the first time or brushing up on essential concepts, the “0-9” glossary section will deepen your understanding of the numerical side of music and audio. Each entry offers a clear, concise explanation, making it accessible and beneficial for all levels of musicians and music lovers. Dive into the “0-9” terms and explore the numerical language that shapes music and sound.
Table of Contents
Music Glossary 0-9 Terms
1/4-Inch Jack
A 1/4-inch jack, also known as a quarter-inch jack or phone jack, is a widely used audio connector in music and audio equipment. It measures 1/4 inch (6.35 mm) in diameter and is typically used to connect instruments, like electric guitars, keyboards, and basses, to amplifiers or audio interfaces. It’s also common in studio and live sound setups, where it’s used for connecting professional audio equipment, such as mixers, audio processors, and headphones.
1/4-inch jacks come in two main types:
- TS (Tip-Sleeve) – This is a mono connector with two sections: the tip, which carries the audio signal, and the sleeve, which serves as the ground. TS jacks are most commonly used with electric guitars and other instruments, where a mono signal is sufficient.
- TRS (Tip-Ring-Sleeve) – This type has an additional ring segment, allowing it to carry a stereo signal or serve as a balanced connection for reduced noise. TRS jacks are often used with stereo headphones and balanced audio cables.
Why It’s Important: The 1/4-inch jack is a standard in music and audio, offering durability and a solid connection for both live performance and studio recording. Whether you’re setting up instruments, headphones, or outboard gear, understanding the types and uses of 1/4-inch jacks ensures you have the right cables for clear, reliable sound.
1/32 Note
A 1/32 note, also known as a thirty-second note or a demisemiquaver (UK), is a musical note that represents one-thirty-second of a whole note’s duration. In common time (4/4 time signature), a thirty-second note is worth one-eighth of a beat, meaning it takes eight thirty-second notes to fill a single beat.
Visual Representation:
A thirty-second note is notated with a filled-in oval note head, a straight stem, and three flags. When multiple thirty-second notes appear in a row, they are connected with three beams, making it easier to visually organize fast-paced sequences.
Usage in Music:
Thirty-second notes are used to create extremely fast passages, often adding intensity, complexity, and flourish to a composition. In 4/4 time, a measure can contain up to thirty-two thirty-second notes, which are common in advanced piano, guitar, and orchestral pieces, as well as genres like classical, metal, and jazz fusion. These notes are also frequently used in solos and fills to showcase technical skill and speed.
Why It’s Important:
Understanding and playing 1/32 notes requires a high level of precision and control, as these notes move at a very fast pace. Musicians who master thirty-second notes are able to tackle intricate rhythms and complex compositions, enhancing their timing, accuracy, and technical proficiency. Recognizing thirty-second notes is crucial for advanced rhythm reading, helping musicians interpret and execute quick, detailed passages effectively.
1/16 Note
A 1/16 note, also known as a sixteenth note or a semiquaver (UK), is a musical note that represents one-sixteenth of a whole note’s duration. In common time (4/4 time signature), a sixteenth note is worth one-quarter of a beat, meaning it takes four sixteenth notes to fill a single beat.
Visual Representation:
A sixteenth note is written with a filled-in oval note head, a straight stem, and two flags. When several sixteenth notes appear in succession, they are often grouped with two beams connecting the stems, making it easier to read and play them in quick sequences.
Usage in Music:
Sixteenth notes are used to create fast, intricate rhythms, adding complexity and intensity to music. In a 4/4 measure, there can be up to sixteen sixteenth notes, allowing for quick, detailed rhythmic patterns. They are commonly found in genres that require fast-paced playing or rhythmic intricacy, such as classical, jazz, metal, and dance music. Sixteenth notes are also key in creating syncopation, where off-beat accents add excitement to a piece.
Why It’s Important:
Mastering 1/16 notes is essential for musicians aiming to play complex rhythms with accuracy and speed. Recognizing and counting sixteenth notes improves timing and rhythm skills, allowing musicians to tackle faster pieces and intricate rhythmic passages confidently. Sixteenth notes are fundamental in advanced rhythmic patterns, making them an important part of a musician’s rhythmic vocabulary.
1/8 Note
An 1/8 note, also known as an eighth note or a quaver (UK), is a musical note that represents one-eighth of a whole note’s duration. In common time (4/4 time signature), an eighth note is worth half a beat, meaning it takes two eighth notes to fill a single beat.
Visual Representation:
An eighth note is notated with a filled-in oval note head, a straight stem, and a single flag. When multiple eighth notes appear consecutively, they are often “beamed” together with a horizontal line connecting the stems, making them easier to read in quick succession.
Usage in Music:
Eighth notes are commonly used to add energy, drive, and rhythmic interest to music. For example, in 4/4 time, a measure can contain up to eight eighth notes, creating a fast-moving rhythm. Eighth notes are frequently found in a wide range of music genres, from pop and rock to jazz and classical, helping to establish lively, intricate rhythms and syncopation.
Why It’s Important:
Understanding 1/8 notes is essential for interpreting faster rhythms and creating syncopated patterns in music. For musicians, being able to recognize and play eighth notes accurately builds rhythmic precision and timing skills. Eighth notes are foundational in learning more complex rhythmic patterns and are a critical element of reading and performing music across all styles.
1/8-Inch Jack
An 1/8-inch jack, also known as a 3.5 mm jack or mini jack, is a small audio connector commonly used with consumer audio devices, including headphones, portable music players, smartphones, and computers. Measuring 3.5 millimeters in diameter, it is one of the most widely used audio connectors worldwide for personal audio applications.
Types of 1/8-Inch Jacks:
- TS (Tip-Sleeve): A mono connector, often used for connecting a single-channel audio source.
- TRS (Tip-Ring-Sleeve): A stereo connector with three parts—tip, ring, and sleeve—that carries left and right audio channels, making it the most common type for headphones.
- TRRS (Tip-Ring-Ring-Sleeve): A connector with an additional ring, enabling stereo audio plus an extra function, such as a microphone input. TRRS jacks are standard for headphones with in-line microphones and smartphone headsets.
Usage in Music and Audio:
The 1/8-inch jack is the go-to connector for personal audio devices and is widely compatible across a range of audio equipment. It’s commonly found in headphone outputs on smartphones, laptops, portable speakers, and some digital audio interfaces, allowing users to easily connect headphones, earbuds, and other audio peripherals.
Why It’s Important:
The 1/8-inch jack offers a compact, user-friendly way to connect audio devices, making it essential for musicians, producers, and listeners on the go. Although some devices are moving towards wireless audio, the 1/8-inch jack remains popular for its reliability and ease of use. Understanding the different types of 1/8-inch jacks helps musicians and audio enthusiasts select compatible equipment and make the most of their audio setups, whether recording, mixing, or simply listening to music.
1/4 Note
A 1/4 note, also known as a quarter note or a crotchet (UK), is a musical note that represents one-quarter of a whole note’s duration. In common time (4/4 time signature), a quarter note receives one beat, making it the basic rhythmic pulse in many styles of music.
Visual Representation:
A quarter note is typically written as a filled-in oval note head with a straight stem. It is one of the easiest note values to recognize in sheet music and is essential for establishing the beat in a piece of music.
Usage in Music:
Quarter notes are often used to create a steady rhythm or pulse in a composition. For example, in 4/4 time, there are four quarter notes per measure, with each note representing one beat. This steady pulse is common in genres like pop, rock, and dance music, helping listeners and musicians keep time and feel the rhythm.
Why It’s Important:
The 1/4 note is fundamental to understanding rhythm and timing in music. As the basic building block of most time signatures, it helps musicians stay in sync and provides a consistent reference point within a song. Recognizing and counting quarter notes is essential for any musician, from beginners learning to read music to advanced players working on complex rhythms.
1/2 Note
A 1/2 note, also known as a half note, is a musical note with a duration equal to half of a whole note. In common time (4/4 time signature), a half note is held for two beats, making it twice as long as a quarter note (crotchet) and half as long as a whole note (semibreve).
Visual Representation:
A half note is represented by an open (unfilled) oval note head with a straight stem. Its distinctive appearance makes it easy to identify in sheet music, standing out among other note values.
Usage in Music:
Half notes are often used to create sustained tones or to add a slower, more relaxed rhythm to a piece. In a 4/4 measure, two half notes will fill the measure completely, with each taking up two beats. They are commonly used in various genres to create dynamic contrast and add emphasis to longer, held notes within a melody or harmony.
Why It’s Important:
Understanding 1/2 notes is key to grasping basic rhythm and timing in music. Half notes allow musicians to pace a melody or rhythm, creating a balance between faster-moving quarter notes and slower whole notes. For beginners, learning to recognize and count half notes builds essential skills in reading sheet music and interpreting rhythmic patterns.
3/4 Time Signature
The 3/4 time signature, often called waltz time, is a musical meter where each measure contains three beats, and each beat is a quarter note. This gives the music a rhythmic feel of “1-2-3”, with an emphasis on the first beat, creating a distinctive “waltz-like” or swaying feel.
How It Works:
- Top Number (3): Indicates that each measure has three beats.
- Bottom Number (4): Shows that each beat is a quarter note.
In 3/4 time, the rhythm counts as “1 – 2 – 3”, with the first beat typically accented. This creates a sense of forward movement and a gentle, rolling motion that makes it popular for waltzes, folk music, and ballads.
Usage in Music:
3/4 time is most commonly found in waltz music, giving it a graceful, flowing rhythm. It is also used in classical compositions, folk tunes, and even in some modern genres when a light, lilting feel is desired. The emphasis on the downbeat (beat 1) allows dancers and musicians to easily follow the rhythm, making it popular in dance-oriented music.
Why It’s Important:
Understanding the 3/4 time signature helps musicians and composers create and interpret music with a unique rhythm that differs from the standard 4/4. For those learning to read music, recognizing 3/4 time enables accurate counting and timing, helping players maintain the intended swaying feel. Musicians can use 3/4 time to add variety to their compositions, providing listeners with a refreshing rhythmic shift from more common time signatures.
4/4 Time Signature
The 4/4 time signature, often referred to as common time, is the most widely used time signature in music. In 4/4 time, each measure (or bar) contains four beats, and each beat is a quarter note (hence, “4/4”). This means there are four quarter-note beats per measure, creating a steady, predictable rhythm that’s easy to follow.
How It Works:
- Top Number (4): Indicates that there are four beats in each measure.
- Bottom Number (4): Shows that each beat is a quarter note.
The structure of 4/4 time makes it ideal for most genres of popular music, including rock, pop, hip-hop, and electronic music. This time signature feels natural and balanced, providing a foundation for straightforward rhythms and consistent grooves.
Why It’s Important: 4/4 time is often the starting point for new musicians because it’s easy to count and internalize. It’s also adaptable to various tempos and styles, making it a go-to for songwriters and composers. Understanding 4/4 time helps musicians keep in sync with the beat, making it easier to collaborate and perform with others.
6/8 Time Signature
The 6/8 time signature is a musical meter where each measure contains six beats, and each beat is an eighth note. However, it’s typically felt as two main beats, with each beat subdivided into three eighth notes, creating a “1-2-3, 4-5-6” pattern. This gives the rhythm a lilting or rolling feel often associated with folk, blues, and ballads.
How It Works:
- Top Number (6): Indicates that there are six beats in each measure.
- Bottom Number (8): Shows that each beat is an eighth note.
Although there are six beats, musicians often feel 6/8 time as two main beats, each subdivided into three, creating a rhythmic pulse of “1-2-3, 4-5-6”. This grouping gives 6/8 a “two-beat” feel, with a triplet subdivision that creates a smooth, flowing rhythm.
Usage in Music:
6/8 time is commonly found in folk music, blues, classical pieces, and certain rock ballads. The time signature’s natural sway makes it ideal for lyrical, flowing melodies, and its subdivided feel adds a sense of movement and continuity. In classical music, it’s often used in dances, while in popular music, it’s common in slow ballads and songs with a rolling groove.
Why It’s Important:
Understanding 6/8 time allows musicians to interpret and play music with a distinctive rhythmic feel that differs from simple time signatures like 4/4. It introduces players to compound meters, where beats are divided into groups of three rather than two, enriching rhythmic skills and timing. Musicians can use 6/8 time to add variety and a rhythmic “swing” to their compositions, offering a gentle, driving pulse that enhances musical expression.
2-Track
A 2-track recording refers to an audio setup or file with two separate channels, typically used for stereo sound. In a 2-track system, each channel corresponds to one side of a stereo field—left and right—allowing sounds to be positioned spatially for a richer, more immersive listening experience.
Uses in Music and Audio:
- Stereo Mixes: In music production, a final mix is often “bounced” or exported as a 2-track stereo file, where the left and right channels combine all the elements of a song into a cohesive whole.
- Recording and Playback: 2-track setups are common for live recordings, where a stereo recording can capture a performance with spatial cues, preserving some depth and positioning of instruments across the stereo field.
- Mastering: During mastering, engineers work with the 2-track stereo file to optimize the sound for various playback systems, ensuring balanced frequencies, loudness, and clarity across both channels.
Why It’s Important:
The 2-track format allows producers and engineers to create a sense of space, helping listeners feel immersed in the music. It’s the standard for most music playback formats, including MP3, CDs, and streaming audio. By understanding 2-track recordings, musicians and engineers can better appreciate the balance and stereo imaging needed to make music sound great on any system.
5.1 Surround Sound
5.1 surround sound is an audio configuration that uses six channels to create an immersive listening experience by surrounding the listener with sound from different directions. This setup is widely used in home theater systems, cinemas, and some music production, enhancing the sense of spatial audio and realism.
Channel Breakdown:
The term “5.1” refers to five main speaker channels and one subwoofer channel:
- Left (L)
- Center (C)
- Right (R)
- Left Surround (LS)
- Right Surround (RS)
- Subwoofer (LFE – Low-Frequency Effects): The “.1” channel, providing deep bass frequencies to enhance the impact of low-end sounds like explosions in movies or bass in music.
How It Works:
In a 5.1 setup, the speakers are arranged around the listener to create a three-dimensional sound field:
- Front Speakers (Left, Center, Right): Positioned in front of the listener, these handle primary audio elements like dialogue, lead instruments, and main effects.
- Surround Speakers (Left Surround, Right Surround): Placed to the sides or behind the listener, they add ambient sounds, background effects, and spatial depth.
- Subwoofer: Delivers low-frequency sounds that enhance the depth and intensity of bass, adding impact to music, explosions, and other bass-heavy effects.
Why It’s Important:
5.1 surround sound offers an enriched audio experience, making listeners feel like they’re “inside” the sound, rather than simply hearing it from one direction. This setup is standard for film audio and is increasingly popular in gaming, virtual reality, and even music production. For musicians and producers, understanding 5.1 surround sound opens up creative possibilities for spatial audio and immersive soundscapes, which are especially impactful in cinematic and live audio productions.
12-Bar Blues
12-bar blues is the most common chord progression in blues music and a very common chord progression in popular music. Unlike most song forms, the 12-bar Blues form has its roots in Jazz and Blues music, not classical music.
The “12” in 12-Bar Blues refers to there being 12 measures, or bars of music as the key building block for the song form 12-Bar Blues form (aka AAB form).
For more information, read our article “A Guide To Song Forms – AAB Song Form“
16-Bit Audio
16-bit audio refers to a digital audio format where each audio sample is recorded using 16 bits (binary digits). The bit depth determines the dynamic range and resolution of the audio signal, which affects the clarity and detail of the sound.
How It Works:
In digital audio, sound waves are sampled and converted into numerical values, or “samples.” With a bit depth of 16 bits, each sample can represent 65,536 possible amplitude levels (2^16), allowing for precise capture of quiet and loud sounds. This bit depth provides a dynamic range of about 96 dB, which is sufficient for most music production and playback purposes.
Where 16-Bit Audio is Used:
- CDs: The standard bit depth for CDs is 16-bit, paired with a 44.1 kHz sample rate. This format became the industry standard for digital audio in the 1980s and remains widely used.
- Digital Music Files: Many digital audio formats, including WAV, FLAC, and MP3, often use 16-bit audio as the standard for high-quality playback.
- Streaming: Many music streaming services use 16-bit audio for high-quality streams, as it balances sound quality with manageable file sizes.
Why It’s Important:
16-bit audio strikes a balance between audio fidelity and file size, making it ideal for high-quality music distribution and playback. While higher bit depths like 24-bit are often used in professional recording and mixing, 16-bit audio provides more than enough dynamic range for the average listener. Understanding bit depth helps musicians, producers, and listeners appreciate how audio quality impacts the listening experience, especially in comparison to lower bit depths, which may introduce noise or reduced clarity.
24-Bit Audio
24-bit audio is a high-resolution digital audio format where each sample is recorded with 24 bits of data, allowing for a greater dynamic range and resolution compared to standard 16-bit audio. With 24-bit depth, the audio signal has improved detail and clarity, capturing more subtle nuances of sound.
How It Works:
In digital audio, a sound wave is represented by numerous samples. Each sample is given a value that defines its amplitude. With 24 bits, each sample can represent 16,777,216 possible amplitude levels (2^24), offering a much finer representation of the audio signal. This provides a dynamic range of approximately 144 dB, capturing both very soft and very loud sounds with minimal noise or distortion.
Where 24-Bit Audio is Used:
- Professional Recording and Mixing: Audio engineers often record and mix in 24-bit to capture high fidelity and preserve audio quality during the production process.
- Hi-Res Audio Formats: High-resolution audio files, such as FLAC, WAV, and ALAC, often use 24-bit to deliver superior quality for audiophiles and listeners who prefer high-fidelity sound.
- Digital Audio Workstations (DAWs): Many DAWs default to 24-bit or higher during recording to ensure that no details are lost in processing and editing.
Why It’s Important:
24-bit audio provides higher accuracy and less noise, making it a preferred choice in professional audio environments where quality is paramount. It allows for headroom during mixing and mastering, preventing quality loss when adjusting levels or applying effects. For listeners, 24-bit audio offers a richer, more detailed listening experience, especially on high-quality sound systems. Understanding 24-bit audio helps musicians, producers, and enthusiasts make informed choices about audio quality and production standards.
32-Bar Song Form
The 32-bar song form, also known as AABA form, is a popular song structure commonly used in jazz, pop, and classic American standards. This form divides a song into four sections, each typically 8 bars long, for a total of 32 bars.
Structure Breakdown:
The 32-bar form follows an AABA pattern, where:
- A Sections: The “A” sections are identical or very similar, presenting the main theme or melody.
- B Section: The “B” section, often called the bridge or middle eight, contrasts with the A sections, providing a new melody or chord progression that adds variety and interest.
- Final A Section: The song returns to the original A section to conclude.
Each section is 8 bars in length, creating the following 32-bar sequence:
- A – A – B – A
Usage in Music:
The 32-bar form became popular in the early 20th century, particularly in jazz standards and Broadway musicals. Many classic American songs from the Great American Songbook, such as “Somewhere Over the Rainbow” and “Blue Moon,” follow this structure. This format is favored for its simplicity and balance, allowing composers to establish a memorable melody with a contrasting bridge that adds depth.
Why It’s Important:
Understanding the 32-bar song form helps musicians, songwriters, and producers create and recognize classic song structures. This form allows for memorable, cohesive compositions that are easy for listeners to follow. Musicians performing jazz standards often improvise over this structure, so familiarity with the form is essential for jazz improvisation and arranging. The 32-bar song form remains a timeless framework, influencing modern pop, jazz, and musical theater.
44.1 KHz
44.1 kHz (kilohertz) is a sample rate commonly used in digital audio. It represents the number of samples taken per second when converting analog audio signals to digital format. Specifically, 44.1 kHz means 44,100 samples per second. This sample rate has become the standard for CD-quality audio and is widely used in music production, distribution, and playback.
Why 44.1 kHz?
The 44.1 kHz sample rate is based on Nyquist’s theorem, which states that the sample rate should be at least twice the highest frequency in the audio signal to capture it accurately. Human hearing generally ranges up to around 20 kHz, so a sample rate of 44.1 kHz (just over twice 20 kHz) allows for a full representation of the audible frequency range, capturing detail and preserving sound quality.
Where 44.1 kHz is Used:
- CD Audio: 44.1 kHz, along with a 16-bit depth, became the standard for Compact Discs (CDs), setting a benchmark for high-quality digital audio.
- Digital Music Files: Many audio file formats, including WAV, MP3, and FLAC, often use 44.1 kHz as their default sample rate for compatibility and quality.
- Streaming: Many music streaming services also use 44.1 kHz as their standard, balancing quality with efficient file sizes.
Why It’s Important:
44.1 kHz is a practical standard that provides high-quality sound while keeping file sizes manageable, making it ideal for consumer music playback and distribution. For musicians and producers, working in 44.1 kHz ensures compatibility with most playback systems and maintains fidelity suitable for commercial releases. Understanding sample rates like 44.1 kHz is essential for selecting appropriate settings in recording, mixing, and mastering, ensuring a balance between audio quality and efficiency.
50-Hz Hum
50 Hz hum is a low-frequency sound caused by electrical interference from the power supply in regions where the standard mains frequency is 50 Hz, such as Europe, Asia, and parts of Africa. This hum manifests as a steady, low-pitched noise around 50 Hz, which can be audible in audio recordings or sound systems when equipment is improperly grounded or exposed to interference.
Causes of 50 Hz Hum:
- Poor Grounding: When audio equipment is not properly grounded, it can pick up hum from electrical circuits, which may introduce the 50 Hz frequency into the audio signal.
- Electromagnetic Interference: Power cables, transformers, and other electrical devices emit electromagnetic fields that can create hum, particularly if audio cables or equipment are nearby or inadequately shielded.
- Ground Loops: When multiple pieces of audio equipment are connected to different ground points, a ground loop can occur, causing a 50 Hz hum to enter the audio signal.
Detecting and Managing 50 Hz Hum:
- Grounding Checks: Ensuring proper grounding of all equipment can help eliminate the hum.
- Shielded Cables: Using high-quality, shielded audio cables can reduce interference from surrounding electrical equipment.
- Isolation Transformers or Ground Loop Isolators: These devices can help isolate and break ground loops, reducing or eliminating the hum.
Why It’s Important:
50 Hz hum is a common nuisance in audio recording, live sound, and studio settings, where it can reduce the quality and clarity of recordings. Understanding its cause and methods for prevention helps audio engineers, musicians, and sound technicians maintain clean, hum-free audio, resulting in a more professional and enjoyable listening experience. Awareness of 50 Hz hum is especially essential in regions with 50 Hz mains power, as this specific frequency can easily seep into audio equipment without proper precautions.
60-Cycle Hum
60-cycle hum is a low-frequency sound caused by electrical interference at 60 Hz, commonly occurring in regions like North America, where the standard mains power frequency is 60 Hz. This hum is heard as a steady, low-pitched noise in audio systems and recordings, often due to grounding issues or electromagnetic interference from electrical devices.
Causes of 60-Cycle Hum:
- Improper Grounding: When audio equipment isn’t properly grounded, it may pick up hum from nearby power lines or electrical circuits, introducing a 60 Hz tone into the audio signal.
- Electromagnetic Interference: Devices like transformers, fluorescent lights, and power cables emit electromagnetic fields that can cause hum, especially if audio cables or equipment are positioned too close or lack adequate shielding.
- Ground Loops: Connecting multiple devices to different ground points can create a ground loop, allowing the 60 Hz frequency to enter the audio chain and generate hum.
Reducing or Eliminating 60-Cycle Hum:
- Proper Grounding: Ensuring all equipment is correctly grounded can minimize the risk of hum.
- Shielded Cables: Using high-quality, shielded audio cables helps reduce interference from surrounding electrical sources.
- Ground Loop Isolators or Isolation Transformers: These devices can break ground loops and isolate equipment, helping to eliminate hum.
Why It’s Important:
60-cycle hum can be a significant issue in audio recording, live sound, and studio environments, where it detracts from audio quality and can be distracting for listeners. Recognizing and addressing the sources of 60-cycle hum is crucial for audio engineers, musicians, and sound technicians, ensuring cleaner, interference-free audio. Understanding this specific frequency hum is especially important in regions with 60 Hz mains power, where it can easily infiltrate audio systems without proper grounding and shielding measures.
96 KHz
96 kHz is a sample rate used in high-resolution digital audio, representing the number of samples taken per second when converting an analog signal to digital. At 96 kHz, 96,000 samples are captured every second, providing double the sample rate of the standard 44.1 kHz. This higher rate allows for greater audio detail and fidelity in recordings, making it a popular choice for professional music production, film soundtracks, and high-quality audio formats.
Why 96 kHz?
A higher sample rate like 96 kHz enables the capture of frequencies up to 48 kHz, which is beyond the upper limit of human hearing but can contribute to a more precise representation of sound. This results in smoother waveforms and less distortion, particularly noticeable when applying digital processing effects like EQ, reverb, and pitch correction. While these ultra-high frequencies are inaudible, the higher sample rate minimizes artifacts and provides a clearer, more dynamic sound in post-production.
Where 96 kHz is Used:
- Professional Recording: Many recording studios use 96 kHz for recording, mixing, and mastering to ensure high fidelity and flexibility in editing and processing.
- Film and TV: High sample rates like 96 kHz are standard for audio in films and TV shows, where sound quality and clarity are prioritized.
- High-Resolution Audio Formats: Hi-res formats like FLAC, WAV, and DSD often support 96 kHz and are favored by audiophiles who seek enhanced audio quality.
Why It’s Important:
96 kHz offers greater depth and clarity, especially when sound is edited, manipulated, or layered extensively in production. For musicians and audio engineers, working at this sample rate preserves more detail and improves the quality of audio processing. Although the difference may be subtle in playback on standard equipment, 96 kHz provides a high-resolution option that can enhance the final product, particularly on high-end audio systems or in complex audio projects.
128 KHz
128 kHz is a high sample rate in digital audio, representing 128,000 samples per second. While standard sample rates like 44.1 kHz and 96 kHz are more common in music production, 128 kHz is occasionally used in specialized audio applications where extremely high audio fidelity and detailed frequency response are required.
Purpose and Applications:
- High-Resolution Audio and Archiving: In audio archiving, extremely high sample rates like 128 kHz are sometimes used to preserve the finest details of a recording, capturing nuances that may be lost at lower sample rates.
- Scientific and Forensic Audio: Higher sample rates can capture inaudible frequencies that, while beyond human hearing, are useful for scientific analysis or forensic purposes, where analyzing full-spectrum details is essential.
- Sound Design and Ultrasonic Recording: In sound design, 128 kHz allows for capturing sounds at high frequencies, which can then be manipulated to create unique audio effects or used for research in fields like bioacoustics, where animal sounds or ultrasonic signals are recorded.
Benefits of 128 kHz:
- Detailed Sound Capture: With a sample rate of 128 kHz, very high frequencies (up to 64 kHz) can be captured, preserving fine details in the audio.
- Advanced Audio Processing: During mixing and mastering, ultra-high sample rates can allow for cleaner results when applying effects like pitch shifts or time-stretching, as there is more data available to work with.
Why It’s Important:
While not commonly used in typical music production, understanding 128 kHz sample rates is helpful for professionals working in specialized audio fields or those archiving audio for long-term preservation. For most standard audio applications, lower sample rates like 44.1 kHz or 96 kHz are sufficient, but 128 kHz offers unique advantages in ultra-high-fidelity audio capture and scientific audio analysis.
303
The 303 refers to the Roland TB-303 Bass Line Synthesizer, an iconic instrument that played a crucial role in shaping electronic music, especially genres like acid house, techno, and trance. Released in 1981, the TB-303 was originally designed to simulate bass guitar lines but gained popularity years later for its distinctive, “squelchy” sound and unique capabilities in creating rhythmic bass patterns.
Key Features:
- Unique Sound: The 303’s sound is instantly recognizable due to its resonant filter and overdriven, slightly metallic tone. The sound can be modified using parameters like cutoff frequency, resonance, envelope modulation, and decay, giving it a dynamic range from smooth to aggressive.
- Built-In Sequencer: The 303 has a built-in sequencer that allows users to program bass lines and melodies, creating repeating, looped patterns. This sequencer is integral to the “rolling” bass lines typical of acid house and techno.
- Acid Sound: The signature “acid” sound comes from tweaking the filter cutoff and resonance while a sequence plays, producing a trippy, fluid sound that has defined countless electronic tracks.
Why It’s Important:
The TB-303’s influence on electronic music cannot be overstated. It introduced a new approach to bass lines, using its signature sound to add energy, groove, and an otherworldly quality to tracks. Though production of the original 303 was discontinued in 1984, its sound remains a staple in electronic music. Modern producers often use software emulations or sample packs to achieve the 303 sound, making it essential knowledge for anyone exploring electronic production or sound design.
360 Deals
A 360° deal (a.k.a. a “Kitchen Sink” deal) is a modern record contract where the record label takes a cut of all the artist’s income (merchandising, touring, publishing, etc.) as well as record sales.
Traditional record contracts were single agreements covering exclusive rights to the artist’s recordings during the contract term. Record labels now tend to try to acquire all other rights in relation to the artist.
For example, exclusive rights for:
- Touring
- Endorsements and merchandising
- Music publishing
The terms controlling each of these rights is normally defined in separate agreements between the label (or associated company) and the artist.
432 Hz Tuning
432 Hz tuning refers to an alternative pitch standard where the musical note A4 (the A above middle C) is tuned to 432 Hz instead of the conventional 440 Hz. This tuning system has gained popularity among certain musicians and listeners who believe it offers a more natural or harmonious sound.
Background:
The standard tuning pitch for most modern music is A = 440 Hz, established internationally in the 20th century. However, some proponents of 432 Hz tuning argue that it has historical significance and aligns better with natural frequencies, body rhythms, or universal vibrations, making it feel more calming and balanced.
Potential Benefits and Beliefs:
- Natural Sound: Many supporters claim that 432 Hz resonates more naturally with the human body and mind, creating a relaxing and soothing effect.
- Harmonic Alignment: Some argue that 432 Hz tuning better aligns with mathematical patterns in nature and sacred geometry.
- Historical Significance: There’s debate around historical use, with claims (though not universally supported) that ancient cultures, such as Egyptians and Greeks, tuned to similar frequencies.
Practical Use:
Using 432 Hz tuning involves adjusting instruments so that A4 resonates at 432 Hz instead of 440 Hz. This changes the pitch of every note in relation, resulting in a slightly lower and, some claim, “warmer” sound. Musicians may use specialized tuners or digital plugins to achieve this tuning.
Why It’s Important:
While scientific evidence is limited regarding the specific effects of 432 Hz tuning, it has become a popular alternative in genres focused on relaxation, meditation, and wellness music. Understanding 432 Hz tuning gives musicians and listeners insight into different tuning philosophies and provides an option for those interested in exploring alternative soundscapes.
808
The 808 refers to the Roland TR-808 Rhythm Composer, a drum machine that became iconic in music production. Originally released in 1980, the TR-808 initially saw limited success but later became a foundational sound in genres like hip-hop, electronic, pop, and R&B. The 808’s unique, punchy bass drum, crispy snares, and high-pitched cowbell sounds have made it a mainstay in music even decades after its release.
Key Sounds:
- Bass Drum: The deep, booming bass drum sound of the 808 is one of its most recognizable features. Its long decay makes it a popular choice for bass lines and sub-bass elements in modern music.
- Snare and Hi-Hats: The 808 snare has a sharp, snappy quality, while the hi-hats offer a crisp, metallic edge, adding a distinctive texture to beats.
- Cowbell: The high-pitched cowbell sound of the 808 has become an iconic effect, often used as an accent in tracks.
Why It’s Important:
The 808 revolutionized how rhythm and bass are used in music. In hip-hop and trap, for example, the 808 bass drum often serves as the main low-frequency element, replacing or enhancing traditional bass instruments. The 808’s legacy continues to influence modern music, with its sounds now emulated in software and digital plugins. Knowing about the 808 is essential for understanding rhythm programming, beat-making, and the evolution of music production styles across multiple genres.
1,000 True Fans Theory
It’s a simple idea proposed by Kevin Kelly, co-founder and executive editor of WIRED magazine, in 2008 as part of an essay.
It goes like this, if you have 1,000 true fans, who will buy everything you create. If you can create $100 of products per year, you can have a healthy, sustainable income of $100k per year.
10,000-Hour Rule
According to a study by Anders Ericsson, and made popular by Malcolm Gladwell in his bestseller “Outliers: The Story Of Success”, 10,000 hours is the minimum estimated apprenticeship to truly attain the level of an expert. The study covered 2000 musicians, sportsmen, and chess players. It sounds simple and it is easy to remember, but it isn’t exactly accurate
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