Low E string: Fb, Ab, Bb, C, Eb, Fb at frets 0, 4, 6, 8, 11, 12
A string: Bb, C, Eb, Fb, Ab at frets 1, 3, 6, 7, 11
D string: Eb, Fb, Ab, Bb, C at frets 1, 2, 6, 8, 10
G string: Ab, Bb, C, Eb, Fb at frets 1, 3, 5, 8, 9
B string: C, Eb, Fb, Ab, Bb at frets 1, 4, 5, 9, 11
High E string: Fb, Ab, Bb, C, Eb, Fb at frets 0, 4, 6, 8, 11, 12
The flat six pentatonic is a major pentatonic with its 6th pushed down a half step: root, 2nd, major 3rd, 5th, flat 6th. The b6 leaning against the 5th injects harmonic-major darkness into an otherwise sunny scale, a striking effect over a plain major triad. It suits players hunting for major-key lines that avoid the obvious.
it consists of these notes and degrees:
I
II
III
V
bVI
Same notes, different mode
Ab flat six pentatonic uses the same notes as the scales below. Start from a different note and you get a new mode built on the very same note set.
flat six pentatonic in all 12 keys, with chords and related scales
How to play A♭ flat six pentatonic on guitar
Both open E strings count in the key as Fb, the minor 6th, which means they thicken a chord but will not hold a pedal. Roots run 1 on the G string, 4 on both E strings, 6 on the D, 9 on the B and 11 on the A. Lowest-numbered of those is fret 1, though the lowest-pitched root is the low E at 4, giving box one a home just above the nut. Under a capo at 1, G shapes work.
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