Ab Major scale
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The Ab Major scale has the formula 1, 2, 3, 4, 5, 6, 7 with notes Ab, Bb, C, Db, Eb, F, G
The major scale, also known as Ionian scale, is a very popular diatonic scale. It is one of the most commonly used scales in the world. In Western music, it is preceived as sounding happy.