Circle of fifths

In music theory, the circle of fifths is a model of pitch space. It consists all 12 notes of the (equally tempered) chromatic scale. Starting on any note and repeatedly ascending by the musical interval of a perfect fifth, one will eventually land on the same note, after reaching all of the other notes:

Related Topics:
Music theory - Pitch space - Note - Equally tempered - Chromatic scale - Musical interval - Perfect fifth

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Descending by fifths, and ascending or descending by fourths also works, since motion in one direction by a fourth is equivalent to motion in the opposite direction by a fifth. For this reason the circle of fifths is also known as the circle of fourths.

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