In music, a transformation consists of any operation or process that a composer or performer may apply to a musical variable (usually a set or tone row in twelve tone music). Examples of this are transposition, inversion, multiplication, retrograde, or rotation and combinations thereof. Music is an art, entertainment, or other human activity which involves organized and audible sound, though definitions vary. ... A composer is a person who writes music. ... In mathematics, a set can be thought of as any collection of distinct things considered as a whole. ... In music, a tone row or note row is a permutation, an arrangement or ordering, of the twelve notes of the chromatic scale. ... Twelve-tone technique is a system of musical composition devised by Arnold Schoenberg. ... In music transposition is moving a note or collection of notes (or pitches) up or down in pitch by a constant interval. ... In music theory, the word inversion has several meanings. ... In mathematics, multiplication is an arithmetic operation which is the inverse of division, and in elementary arithmetic, can be interpreted as repeated addition. ... This article is about retrograde motion. ... The term rotation can be used in several way and includes various topics. ...

See also

Operation
Permutation The word operation can mean any of several things: The method, act, process, or effect of using a device or system. ... Categories: Wikipedia cleanup | Stub ...