Tuning-specific scale diagram

Ab Major Blues Scale in Open C Tuning

Ab Major Blues Scale in Open C Tuning shows the same ab major blues scale pitch classes across 6 strings tuned C G C G C E. The tuning changes where the same pitch classes sit across the fretboard.

Scale notes: Ab, Bb, Cb, C, Eb, F
Formula: 1 2 b3 3 5 6
Semitones: 0 2 3 4 7 9
Tuning: C G C G C E
Strings: 6
Open pitch range: C2 to E4
24-fret range: C2 to E6

Open strings and root positions

3 of the 6 open strings belong to Ab Major Blues Scale: string 6 C (3), string 4 C (3), and string 2 C (3). None of those open-string tones is the Ab root, so the root must be fretted on every string.

String 6C3

String 4C3

String 2C3

First root on each string

String 6Fret 8

String 5Fret 1

String 4Fret 8

String 3Fret 1

String 2Fret 8

String 1Fret 4

Low-string pattern

On the lowest C string, the first-octave scale pattern falls at frets 0, 3, 5, 8, 10, and 11, with the Ab root at fret 8. On the highest E string, the first Ab is at fret 4.

OpenC3

Fret 3Eb5

Fret 5F6

Fret 8Ab1

Fret 10Bb2

Fret 11Cbb3

Practice this tuning-specific layout

Play Ab Major Blues Scale on the low C string at frets 0, 3, 5, 8, 10, and 11, saying each note name and degree aloud.
Build a phrase that lets C on open string 6 ring, then connect it to the nearest Ab root and two other scale tones.
Connect the Ab root positions on strings 6 through 1 at frets 8, 1, 8, 1, 8, and 4, adding the nearest scale tone between each pair of roots.