68 relations: A440 (pitch standard), Akkadian language, American National Standards Institute, Augmented octave, Bass clarinet, Bass guitar, Basso profondo, Bassoon, Bösendorfer, Blind octave, Brain, Contrabass clarinet, Contrabassoon, Cuneiform script, Decade (log scale), Diminished octave, Double bass, Ear, Early music, Eight-foot pitch, Enharmonic, Equal temperament, Equivalence class (music), Fifteenth, Frequency, Glossary of musical terminology, Harmonic series (music), Hearing, Helmholtz pitch notation, Hertz, Imperial Bösendorfer, Interval (music), Italian language, Kyle Gann, Level (logarithmic quantity), Lyre, Major seventh, Mongolia, Music, Music theory, Musical notation, Musical note, Octave, Octave band, Octave species, Overtone singing, Perfect fifth, Perfect fourth, Piano, Pitch (music), ..., Pitch circularity, Pitch class, Pseudo-octave, Pythagorean interval, Scale (music), Scientific pitch notation, Semitone, Sheet music, Short octave, Siberia, Singing, Solfège, Sousaphone, Sumerian language, Thalamus, Tibetan Buddhism, Tuba, Unison. Expand index (18 more) »

## A440 (pitch standard)

A440 or A4 (also known as the Stuttgart pitch), which has a frequency of 440 Hz, is the musical note of A above middle C and serves as a general tuning standard for musical pitch.

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## Akkadian language

Akkadian (akkadû, ak-ka-du-u2; logogram: URIKI)John Huehnergard & Christopher Woods, "Akkadian and Eblaite", The Cambridge Encyclopedia of the World's Ancient Languages.

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## American National Standards Institute

The American National Standards Institute (ANSI) is a private non-profit organization that oversees the development of voluntary consensus standards for products, services, processes, systems, and personnel in the United States.

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## Augmented octave

In modern Western tonal music theory an augmented octave is the sum of a perfect octave and an augmented unison or chromatic semitone.

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## Bass clarinet

The bass clarinet is a musical instrument of the clarinet family.

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## Bass guitar

The bass guitar (also known as electric bass, or bass) is a stringed instrument similar in appearance and construction to an electric guitar, except with a longer neck and scale length, and four to six strings or courses.

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## Basso profondo

Basso profondo (Italian: "deep bass"), sometimes basso profundo or contrabass, is the bass voice subtype with the lowest vocal range.

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## Bassoon

The bassoon is a woodwind instrument in the double reed family that typically plays music written in the bass and tenor clefs, and occasionally the treble.

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## Bösendorfer

Bösendorfer (L. Bösendorfer Klavierfabrik GmbH) is an Austrian piano manufacturer and, since 2008, a wholly owned subsidiary of Yamaha.

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## Blind octave

In music, a blind octave is the alternate doubling above and below a successive scale or trill notes: "the passage being played...alternately in the higher and lower octave." The device is not to be introduced into the works of "older composers," (presumably those preceding Liszt).

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## Brain

The brain is an organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals.

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## Contrabass clarinet

The contrabass clarinet and contra-alto clarinet are the two largest members of the clarinet family that are in common usage.

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## Contrabassoon

The contrabassoon, also known as the double bassoon, is a larger version of the bassoon, sounding an octave lower.

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## Cuneiform script

Cuneiform script, one of the earliest systems of writing, was invented by the Sumerians.

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## Decade (log scale)

One decade (symbol dec) is a unit for measuring frequency ratios on a logarithmic scale, with one decade corresponding to a ratio of 10 between two frequencies (an order of magnitude difference).

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## Diminished octave

In classical music from Western culture, a diminished octave is an interval produced by narrowing a perfect octave by a chromatic semitone.

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## Double bass

The double bass, or simply the bass (and numerous other names), is the largest and lowest-pitched bowed string instrument in the modern symphony orchestra.

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## Ear

The ear is the organ of hearing and, in mammals, balance.

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## Early music

Early music generally comprises Medieval music (500–1400) and Renaissance music (1400–1600), but can also include Baroque music (1600–1760).

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## Eight-foot pitch

An organ pipe, or a harpsichord string, designated as eight-foot pitch is sounded at standard, ordinary pitch.

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## Enharmonic

In modern musical notation and tuning, an enharmonic equivalent is a note, interval, or key signature that is equivalent to some other note, interval, or key signature but "spelled", or named differently.

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## Equal temperament

An equal temperament is a musical temperament, or a system of tuning, in which the frequency interval between every pair of adjacent notes has the same ratio.

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## Equivalence class (music)

In music theory, equivalence class is an equality (.

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## Fifteenth

In music, a fifteenth or double octave, abbreviated 15ma, is the interval between one musical note and another with one-quarter the wavelength or quadruple the frequency.

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## Frequency

Frequency is the number of occurrences of a repeating event per unit of time.

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## Glossary of musical terminology

This is a list of musical terms that are likely to be encountered in printed scores, music reviews, and program notes.

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## Harmonic series (music)

A harmonic series is the sequence of sounds—pure tones, represented by sinusoidal waves—in which the frequency of each sound is an integer multiple of the fundamental, the lowest frequency.

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## Hearing

Hearing, or auditory perception, is the ability to perceive sounds by detecting vibrations, changes in the pressure of the surrounding medium through time, through an organ such as the ear.

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## Helmholtz pitch notation

Helmholtz pitch notation is a system for naming musical notes of the Western chromatic scale.

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## Hertz

The hertz (symbol: Hz) is the derived unit of frequency in the International System of Units (SI) and is defined as one cycle per second.

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## Imperial Bösendorfer

The Bösendorfer Model 290 Imperial or Imperial Bösendorfer (also colloquially known as the 290) is the largest model and flagship piano manufactured by Bösendorfer, at around long, wide, and weighing.

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## Interval (music)

In music theory, an interval is the difference between two pitches.

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## Italian language

Italian (or lingua italiana) is a Romance language.

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## Kyle Gann

Kyle Eugene Gann (born November 21, 1955 in Dallas, Texas) is an American professor of music, critic, and composer who has worked primarily in the New York City area.

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## Level (logarithmic quantity)

In the International System of Quantities, the level of a quantity is the logarithm of the ratio of the value of that quantity to a reference value of the same quantity.

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## Lyre

The lyre (λύρα, lýra) is a string instrument known for its use in Greek classical antiquity and later periods.

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## Major seventh

In classical music from Western culture, a seventh is a musical interval encompassing seven staff positions (see Interval number for more details), and the major seventh is one of two commonly occurring sevenths.

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## Mongolia

Mongolia (Monggol Ulus in Mongolian; in Mongolian Cyrillic) is a landlocked unitary sovereign state in East Asia.

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## Music

Music is an art form and cultural activity whose medium is sound organized in time.

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## Music theory

Music theory is the study of the practices and possibilities of music.

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## Musical notation

Music notation or musical notation is any system used to visually represent aurally perceived music played with instruments or sung by the human voice through the use of written, printed, or otherwise-produced symbols.

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## Musical note

In music, a note is the pitch and duration of a sound, and also its representation in musical notation (♪, ♩).

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## Octave

In music, an octave (octavus: eighth) or perfect octave is the interval between one musical pitch and another with half or double its frequency.

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## Octave band

Analyzing a source on a frequency by frequency basis is possible but time consuming.

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## Octave species

In early Greek music theory, an octave species (εἶδος τοῦ διὰ πασῶν, or σχῆμα τοῦ διὰ πασῶν) is a sequence of incomposite intervals (ditones, minor thirds, whole tones, semitones of various sizes, or quarter tones) making up a complete octave.

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## Overtone singing

Overtone singing – also known as overtone chanting, harmonic singing or throat singing – is a type of singing in which the singer manipulates the resonances (or formants) created as air travels from the lungs, past the vocal folds, and out of the lips to produce a melody.

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## Perfect fifth

In music theory, a perfect fifth is the musical interval corresponding to a pair of pitches with a frequency ratio of 3:2, or very nearly so.

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## Perfect fourth

In classical music from Western culture, a fourth spans exactly four letter names (staff positions), while a perfect fourth (harmonic series) always involves the same interval, regardless of key (sharps and flats) between letters. A perfect fourth is the relationship between the third and fourth harmonics, sounding neither major nor minor, but consonant with an unstable quality (additive synthesis). In the key of C, the notes C and F constitute a perfect fourth relationship, as they're separated by four semitones (C, C#, D, D#, E, F). Up until the late 19th century, the perfect fourth was often called by its Greek name, diatessaron. A perfect fourth in just intonation corresponds to a pitch ratio of 4:3, or about 498 cents, while in equal temperament a perfect fourth is equal to five semitones, or 500 cents. The perfect fourth is a perfect interval like the unison, octave, and perfect fifth, and it is a sensory consonance. In common practice harmony, however, it is considered a stylistic dissonance in certain contexts, namely in two-voice textures and whenever it appears above the bass. If the bass note also happens to be the chord's root, the interval's upper note almost always temporarily displaces the third of any chord, and, in the terminology used in popular music, is then called a suspended fourth. Conventionally, adjacent strings of the double bass and of the bass guitar are a perfect fourth apart when unstopped, as are all pairs but one of adjacent guitar strings under standard guitar tuning. Sets of tom-tom drums are also commonly tuned in perfect fourths. The 4:3 just perfect fourth arises in the C major scale between G and C.

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## Piano

The piano is an acoustic, stringed musical instrument invented in Italy by Bartolomeo Cristofori around the year 1700 (the exact year is uncertain), in which the strings are struck by hammers.

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## Pitch (music)

Pitch is a perceptual property of sounds that allows their ordering on a frequency-related scale, or more commonly, pitch is the quality that makes it possible to judge sounds as "higher" and "lower" in the sense associated with musical melodies.

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## Pitch circularity

Pitch circularity is a fixed series of tones that appear to ascend or descend endlessly in pitch.

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## Pitch class

In music, a pitch class (p.c. or pc) is a set of all pitches that are a whole number of octaves apart, e.g., the pitch class C consists of the Cs in all octaves.

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## Pseudo-octave

A pseudo-octave, pseudooctave,"Interview with Max Mathews", p.21.

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## Pythagorean interval

In musical tuning theory, a Pythagorean interval is a musical interval with frequency ratio equal to a power of two divided by a power of three, or vice versa.

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## Scale (music)

In music theory, a scale is any set of musical notes ordered by fundamental frequency or pitch.

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## Scientific pitch notation

Scientific pitch notation (or SPN, also known as American Standard Pitch Notation (ASPN) and International Pitch Notation (IPN)) is a method of specifying musical pitch by combining a musical note name (with accidental if needed) and a number identifying the pitch's octave.

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## Semitone

A semitone, also called a half step or a half tone, is the smallest musical interval commonly used in Western tonal music, and it is considered the most dissonant when sounded harmonically.

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## Sheet music

Sheet music is a handwritten or printed form of music notation that uses modern musical symbols to indicate the pitches (melodies), rhythms or chords of a song or instrumental musical piece.

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## Short octave

The short octave was a method of assigning notes to keys in early keyboard instruments (harpsichord, clavichord, organ), for the purpose of giving the instrument an extended range in the bass range.

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## Siberia

Siberia (a) is an extensive geographical region, and by the broadest definition is also known as North Asia.

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## Singing

Singing is the act of producing musical sounds with the voice and augments regular speech by the use of sustained tonality, rhythm, and a variety of vocal techniques.

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## Solfège

In music, solfège or solfeggio, also called sol-fa, solfa, solfeo, among many names, is a music education method used to teach pitch and sight singing of Western music.

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## Sousaphone

The sousaphone is a brass instrument in the same family as the more widely known tuba.

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## Sumerian language

Sumerian (𒅴𒂠 "native tongue") is the language of ancient Sumer and a language isolate that was spoken in southern Mesopotamia (modern-day Iraq).

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## Thalamus

The thalamus (from Greek θάλαμος, "chamber") is the large mass of gray matter in the dorsal part of the diencephalon of the brain with several functions such as relaying of sensory signals, including motor signals, to the cerebral cortex, and the regulation of consciousness, sleep, and alertness.

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## Tibetan Buddhism

Tibetan Buddhism is the form of Buddhist doctrine and institutions named after the lands of Tibet, but also found in the regions surrounding the Himalayas and much of Central Asia.

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## Tuba

The tuba is the largest and lowest-pitched musical instrument in the brass family.

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## Unison

In music, unison is two or more musical parts sounding the same pitch or at an octave interval, usually at the same time.

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## Redirects here:

8va, 8vb, 8ve, ABCDEFGA, All' ottava, All'ottava, At the octave, BCDEFGAB, CDEFGABC, Col 8, Coll'ottava, DEFGABCD, Diapason (interval), EFGABCDE, FGABCDEF, First octave, GABCDEFG, Octave equivalence, Octave equivalency, Octave invariance, Octave notation, Octaves, Ottava alta, Ottava bassa, Ottava sopra, Ottava sotta, Perfect Eighth, Perfect eighth, Perfect octave, Small octave, ΔΙΑΠΑΣΩΝ, 𝄶, 𝄷.

## References

[1] https://en.wikipedia.org/wiki/Octave