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  2. Cent (music) - Wikipedia

    en.wikipedia.org/wiki/Cent_(music)

    The cent is a logarithmic unit of measure used for musical intervals. ... (the interval between two adjacent piano keys) spans 100 cents by definition.

  3. List of musical symbols - Wikipedia

    en.wikipedia.org/wiki/List_of_musical_symbols

    Musical symbols are marks and symbols in musical notation that indicate various aspects of how a piece of music is to be performed. There are symbols to communicate information about many musical elements, including pitch, duration, dynamics, or articulation of musical notes; tempo, metre, form (e.g., whether sections are repeated), and details about specific playing techniques (e.g., which ...

  4. Just intonation - Wikipedia

    en.wikipedia.org/wiki/Just_intonation

    A cent is a measure of interval size. It is logarithmic in the musical frequency ratios. The octave is divided into 1200 steps, 100 cents for each semitone. Cents are often used to describe how much a just interval deviates from 12 TET. For example, the major third is 400 cents in 12 TET, but the 5th harmonic, 5:4 is 386.314 cents. Thus, the ...

  5. Major fourth and minor fifth - Wikipedia

    en.wikipedia.org/wiki/Major_fourth_and_minor_fifth

    A narrower undecimal major fourth is found at 537 cents (the ratio 15:11). 31 equal temperament has an interval of 542 cents, which lies in between the two types of undecimal major fourth. The term may also be applied to the "comma-deficient major fourth" (or "chromatic major fourth" [3]), which is the ratio 25:18, or 568.72 cents (F ♯). [4]

  6. List of pitch intervals - Wikipedia

    en.wikipedia.org/wiki/List_of_pitch_intervals

    The Pythagorean A ♭ (at the left) is at 792 cents, G ♯ (at the right) at 816 cents; the difference is the Pythagorean comma. Equal temperament by definition is such that A ♭ and G ♯ are at the same level. 1 ⁄ 4-comma meantone produces the "just" major third (5:4, 386 cents, a syntonic comma lower than the Pythagorean one of 408 cents).

  7. Quarter tone - Wikipedia

    en.wikipedia.org/wiki/Quarter_tone

    The ratio of 36:35 is only 1.23 cents narrower than a 24-TET quarter tone. This just ratio is also the difference between a minor third (6:5) and septimal minor third (7:6). Composer Ben Johnston , to accommodate the just septimal quarter tone, uses a small "7" ( ) as an accidental to indicate a note is lowered 49 cents, or an upside down " 7 ...

  8. Musical note - Wikipedia

    en.wikipedia.org/wiki/Musical_note

    Converter: Frequencies to note name, ± cents; Note names, keyboard positions, frequencies and MIDI numbers; Music notation systems − Frequencies of equal temperament tuning – The English and American system versus the German system; Frequencies of musical notes; Learn How to Read Sheet Music; Free music paper for printing and downloading

  9. Minor chord - Wikipedia

    en.wikipedia.org/wiki/Minor_chord

    A unique particularity of the minor chord is that this is the only chord of three notes in which the three notes have one harmonic – hearable and with a not too high row – in common (more or less exactly, depending on the tuning system used).