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Pentatonic scale

In music, a pentatonic scale is a scale with five notes per octave. Pentatonic scales are found all over the world: in the tuning of the Ethiopian krar and the Indonesian gamelan, in the melodies of African-American spirituals and of composer Claude Debussy.

One of the most common pentatonic scales, sometimes called a major pentatonic scale, can be constructed in many ways. A simple construction takes five consecutive pitches from the circle of fifths: if starting on C, {C, G, D, A, E}. A more complicated construction, derived from Western European classical music, begins with a major scale and omits the fourth and the seventh scale degrees: a C major scale is {C, D, E, F, G, A, B}, so a C major pentatonic scale would be {C, D, E, G, A}.

The major pentatonic scale is the basic scale of the music of China and one of the most important scales in jazz. It is also very common in Scottish music[?]

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