The Collaborative International Dictionary of English. 2000.
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. For instance, the perfect fifth with ratio 3/2 (equivalent to 31/21) and the perfect… … Wikipedia
Interval (music) — For the album by See You Next Tuesday, see Intervals (album). Melodic and harmonic intervals. … Wikipedia
Minor third — Inverse major sixth Name Other names Abbreviation m3 Size Semitones 3 … Wikipedia
Octave — For other uses, see Octave (disambiguation). Perfect octave Inverse unison Name Other names Abbreviation P8 Size … Wikipedia
Tritone — For other uses, see Tritone (disambiguation). tritone Inverse tritone Name Other names augmented fourth, diminished fifth Abbreviation TT Size … Wikipedia
Syntonic comma — on C Play (help· … Wikipedia
Perfect fourth — Play (help· … Wikipedia
Perfect fifth — Play (help· … Wikipedia
Pythagorean comma — (PC) defined in Pythagorean tuning as difference between semitones (A1–m2), or interval between enharmonically equivalent notes (from D♭ to C♯). The di … Wikipedia
Diesis — This article is about music. For other uses, see Diesis (disambiguation). Diesis on C Play … Wikipedia
