How to play G Chromatic Scale. This pattern consists of G, Ab, Bbb, Bb, Cb, Dbb, Db, Ebb, Eb, Fb, Gbb, and Gb – with the degrees of R, b2, 2, b3, 3, 4, b5, 5, b6, 6, b7, and 7. Learn it on this free interactive fretboard. 11,368 patterns to choose from.