In music, a transformation consists of any operation or process that may apply to a musical variable (usually a set or tone row in twelve tone music, or a melody or chord progression in tonal music), or rhythm in composition, performance, or analysis. Transformations include multiplication, rotation, permutation (i.e. transposition, inversion, and retrograde), prolation (augmentation, diminution) and combinations thereof.
![](http://upload.luquay.com/wikipedia/commons/thumb/3/3a/Transposition_example_from_Koch.png/350px-Transposition_example_from_Koch.png)
Transformations may also be applied to simpler or more complex variables such as interval and spectrum or timbre.
See also
editReferences
edit- ^ Schuijer, Michiel (2008). Analyzing Atonal Music, p.52-54. ISBN 978-1-58046-270-9.