Bb
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Gb
Gb Whole Tone Scale notes: Gb Ab Bb C D E. Formula: 1 2 3 #4 #5 #6. Chords that fit it: Gbaug.
The whole tone scale has six notes, each a whole step apart: 1 2 3 #4 #5 #6. With no half steps it sounds dreamy and unresolved, like Debussy or a dream sequence in a film. Jazz players use it over augmented and 7#5 chords. There are only two different whole tone scales: the pattern repeats every two frets.