Define the word Inversion
Answers
In music theory, the word inversion has distinct, but related, meanings when applied to intervals, chords, voices (in counterpoint), and melodies. The concept of inversion also plays an important role in musical set theory.
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An example of melodic inversion from the fugue in D minor from J.S. Bach's The Well-Tempered Clavier, Book 1. Though they start on different pitches (A and E), the second highlighted melody is the upside-down version of the first highlighted melody. That is, when the first goes up, the second goes down the same number of diatonic steps (with some chromatic alteration); and when the first goes down, the second goes up the same number of steps.
Intervals
An interval is inverted by raising or lowering either of the notes by one or more octaves so that the positions of the notes reverse (i.e. the higher note becomes the lower note and vice versa). For example, the inversion of an interval consisting of a C with an E above it (the third measure below) is an E with a C above it – to work this out, the C may be moved up, the E may be lowered, or both may be moved
Explanation:
the act of changing the position or order of something so that it becomes the opposite of what it was before; the act of turning something upside down (= the bottom is at the top and the top is at the bottom)