Scales › A blues
Notes: A – C – D – E♭ – E – G
The minor pentatonic plus one note, the “blue note” (the flat fifth): six notes, enough to improvise over a blues.
Steps between the notes (W = whole step, H = half step): W+H – W – H – H – W+H – W.
A major · A minor · A harmonic minor · A major pentatonic · A minor pentatonic