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Scale · 6 notes

A♭ blues scale — guitar notes & shapes

The A♭ blues scale is A♭, C♭, D♭, E𝄫, E♭, G♭. The blues scale is the minor pentatonic plus one passing note, the flat 5th (“blue note”). Use it as a quick, gritty chromatic step between the 4th and the 5th.

On the fretboard

Red = root (A♭). High e string on top, like tab. Numbers show the scale degree. Shaded area: position 1 (frets 4–7).

Notes and formula

DegreeNoteInterval
1A♭root
♭3C♭minor 3rd
4D♭perfect 4th
♭5E𝄫flat 5th (blue note)
5E♭perfect 5th
♭7G♭minor 7th

Steps: W+H W H H W+H W (W = whole step, H = half step).

Chords to play it over

Home key: G♯m.

Sound, styles and practice

Styles: Blues, blues rock, jazz-blues and rock’n’roll.

  • Don’t sit on the ♭5: pass through it on the way to the 5th.
  • Play over a 12-bar blues in the same key.
  • Combine slides and bends on the ♭5 for vocal phrasing.

Go further with the pentatonic scale guide and how to improvise.

FAQ

What notes are in the A♭ blues scale?
A♭ blues: A♭, C♭, D♭, E𝄫, E♭, G♭.
Where do I play A♭ blues on the guitar?
The easiest place is around fret 4, where A♭ sits on the low E string (highlighted in the diagram). The same pattern repeats 12 frets higher.