Pentatonic scale

A pentatonic scale is a musical scale with five pitches per octave as compared to the major scale which is made up of seven distinct notes. Pentatonic scales are very common and are found all over the world, including but not limited to Celtic folk music, African-American spirituals, American Blues Music and Rock Music, children's songs, the clarinet Music of Epirus in northwest Greece and Southern Albania, the tuning of the Ethiopian krar and the Indonesian gamelan, the melodies of Japanese and Chinese folk music, Polish highlanders from the Tatra Mountains, and Western Classical composers such as French composer Claude Debussy.