Low E string: Fb, F, Gb, Abb, Ab, Bbb, Bb, Cb, C, Db, Ebb, Eb, Fb at frets 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
A string: Bbb, Bb, Cb, C, Db, Ebb, Eb, Fb, F, Gb, Abb, Ab, Bbb at frets 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
D string: Ebb, Eb, Fb, F, Gb, Abb, Ab, Bbb, Bb, Cb, C, Db, Ebb at frets 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
G string: Abb, Ab, Bbb, Bb, Cb, C, Db, Ebb, Eb, Fb, F, Gb, Abb at frets 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
B string: Cb, C, Db, Ebb, Eb, Fb, F, Gb, Abb, Ab, Bbb, Bb, Cb at frets 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
High E string: Fb, F, Gb, Abb, Ab, Bbb, Bb, Cb, C, Db, Ebb, Eb, Fb at frets 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
The chromatic scale contains all twelve semitones, so strictly speaking it is the entire tuning system rather than a key. Its value on the fretboard is mechanical and connective: one-finger-per-fret technique practice, and the source of the passing tones every other scale borrows for smooth voice leading. Every scale on this site is some selection from these twelve notes.
it consists of these notes and degrees:
I
bII
II
bIII
III
IV
bV
V
bVI
VI
bVII
VII
How to play D♭ chromatic on guitar
Fret 2 of the B string holds the root nearest the nut, and the low E carries one at fret 9 with the A string at fret 4 doubling that exact pitch. Capo the 1st fret and every shape matches C chromatic, which lets you borrow fingerings you already own. No open string lands on the tonic or its fifth, and the G string sounds Abb against it, so treat the loose notes as passing colour rather than a pedal. Ten flats force spellings like Ebb and Bbb.
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