Inversion (music)
... so-called prime series turned upside-down. Inversional equivalency Inversional equivalency or inversional symmetry is the concept that intervals, ...
http://en.wikipedia.org/wiki/Inversion_(music) - 17k - Cached - Similar pages

Octave
... is also A. This is called octave equivalency, and is closely related to the concept ... of harmonics. This is similar to enharmonic equivalency, and less so transpositional equivalency and, less still, inversional equivalency, the latter two of which are ...
http://en.wikipedia.org/wiki/Octave - 8k - Cached - Similar pages

Talk:Tonality 01
... The assumptions of tonal theory are: Octave equivalency and diatonic functionality not enharmonic equivalency Less so transpositional equivalency and very little inversional equivalency Cadences: Though modulation may occur instantaneously ...
http://en.wikipedia.org/wiki/Talk:Tonality_01 - 32k - Cached - Similar pages

Tonality
... were played in one octave or octave equivalency. Tonal music also assumes that scales have ... and that therefore there is not enharmonic equivalency. In tonal music chords which are moved ... as being the same, and thus transpositional equivalency and far less still inversional equivalency are not generally held to apply. ...
http://en.wikipedia.org/wiki/Tonality - 67k - Cached - Similar pages

Equivalence class
... theorem up to In music see octave equivalency, transpositional equivalency, inversional equivalency, enharmonic equivalency. Musical set theory takes advantage of ...
http://en.wikipedia.org/wiki/Equivalence_class - 8k - Cached - Similar pages

Interval class
... created to account for octave, enharmonic, and inversional equivalency. Consider, for instance, the following passage: (To ...
http://en.wikipedia.org/wiki/Interval_class - 4k - Cached - Similar pages