What notes are in the A Blues scale?

A, C, D, D#, E and G. The formula is 1 ♭3 4 ♭5 5 ♭7.

Where do I start A Blues on guitar?

Put your first finger on A at fret 5 of the low E string; the root is also at fret 12 of the A string. Learn that box first, then link it to the next one up the neck.

Scale Charts › A Blues scale

A Blues scale on guitar

A Blues is a minor pentatonic with one added note, the flat fifth (the blue note). Its notes are A, C, D, D#, E and G (1 ♭3 4 ♭5 5 ♭7). Slide through the blue note on the way to the fifth for an instant blues sound. The A roots sit at fret 5 on the low E string.

How to practice it

Start at fret 5 on the low E string and play the box from low to high and back.
Say or think the note names as you play until the roots jump out.
Play it over a backing track in the same key and aim for the root on strong beats.
Chords in the key: Am, Bdim, C, Dm, Em, F and G.

Questions

What notes are in the A Blues scale?: A, C, D, D#, E and G. The formula is 1 ♭3 4 ♭5 5 ♭7.
Where do I start A Blues on guitar?: Put your first finger on A at fret 5 of the low E string; the root is also at fret 12 of the A string. Learn that box first, then link it to the next one up the neck.

Also try: A Minor Pentatonic scale · A Minor scale · A Minor · Scale Charts