Bass · blues

A blues scale on bass

The A blues scale has six notes: A, C, D, E♭, E and G (1 ♭3 4 ♭5 5 ♭7). The minor pentatonic with the flat 5th added: the blue note. Use it on the way between the 4th and the 5th rather than holding it.

The notes of the A blues scale
NoteACDE♭EG
Interval1 (root)♭34♭55♭7
Step to the next1½wholehalfhalf1½whole
Make a practice sheet of it
The whole neckevery A blues scale note from the nut to fret 15, the root a diamond
EADG135791215open5♭7R♭34♭55♭7R♭34♭55♭7R♭34♭55♭7R♭34♭55♭7R♭34♭55♭7R

5 positions to learn it in

The A blues scale is learnt in five boxes, each two notes a string under the hand, joined end to end up the neck. Start with box 1 and learn one at a time; together they cover the whole fretboard. Press Play to hear each one, up and back down.

Box 1frets 5–8
EADG4579R♭34♭55♭7R♭34♭5
Box 2frets 7–11
EADG7912♭34♭55♭7R♭34♭55
Box 3frets 9–13
EADG9124♭55♭7R♭34♭55♭7
Box 4frets 12–15
EADG1112155♭7R♭34♭55♭7R
Box 5frets 14–18
EADG14151719♭7R♭34♭55♭7R♭3

Chords that go with the A blues scale

The chords on each note of the scale that use only its notes. Play over any of them and every note fits; A (Am) is where it sounds at home.

On theChordSeventh chord
root (A)AmhomeAm7home
♭3 (C)Cdaylight–
4 (D)Dsus4the door–
♭7 (G)Gsus4heroic–

Scales with the same notes

Compare the A minor pentatonic scale, its minor pentatonic, without the blue note.

Questions

What notes are in the A blues scale?

A, C, D, E♭, E and G. Its intervals from the root are 1 ♭3 4 ♭5 5 ♭7, and the steps between its notes are W+H W H H W+H W (W a whole step, H a half step).

What chords go with the A blues scale?

The chords made only of its notes: Am, C, Dsus4 and Gsus4, and as seventh chords Am7. A is home: Am is the chord it sounds most settled over.

The blues scale in every key

CC♯DE♭EFF♯GG♯AB♭B

Other scales in A

A majorA minorA minor pentatonicA major pentatonicA DorianA MixolydianA LydianA PhrygianA harmonic minorA melodic minorA Phrygian dominant

Practise it on a sheet of your own in the practice sheet maker, with a metronome and a drone. Every scale: bass scales. This scale on guitar, ukulele, mandolin and banjo.