A Diminished half-wholeScale

Formula

H W H W H W H W 1 ♭2 ♯2 3 ♯4 5 6 ♭7
The family

A Diminished half-whole on the chromatic circle

A Diminished half-whole is the 2nd mode of the Diminished family. Pick another note on the circle to open the scale that starts there.

W H W H W H W H ♭7 GI Diminished whole-half 1 AII Diminished half-whole ♭2 B♭III Diminished whole-half ♯2 B♯IV Diminished half-whole 3 C♯V Diminished whole-half ♯4 D♯VI Diminished half-whole 5 EVII Diminished whole-half 6 F♯VIII Diminished half-whole A Diminished half-whole
The whole neck

A Diminished half-whole across the fretboard

Every note of the scale up to the 16th fret, named by its degree. The root is a ring. Step through the five CAGED positions one at a time in the scale library.

3 5 7 9 12 15 5 6 ♭7 1 ♭2 ♯2 3 ♯4 5 6 ♭7 1 ♭2 ♯2 3 ♯4 5 6 ♭7 1 ♭2 ♯2 ♯4 5 6 ♭7 1 ♭2 ♯2 3 ♯4 5 ♭7 1 ♭2 ♯2 3 ♯4 5 6 ♭7 1 ♭2 ♯2 3 ♯4 5 6 ♭7 1 ♭2 ♯2 3 5 6 ♭7 1 ♭2 ♯2 3 ♯4 5 6 ♭7
Context

Where A Diminished half-whole fits

Over dominant 7♭9 chords in jazz and blues: ♭9, ♯9, ♯11 and 13 in one scale.

Diminished half-whole scale in every key

A Diminished half-whole scale questions

What notes are in the A Diminished half-whole scale?

A B♭ B♯ C♯ D♯ E F♯ G. As degrees from the root: 1 ♭2 ♯2 3 ♯4 5 6 ♭7.

What is the A Diminished half-whole scale formula?

1 ♭2 ♯2 3 ♯4 5 6 ♭7, or in steps between the notes, H W H W H W H W (W is a whole step of two frets, H a half step of one fret, 1½ three frets).

How do you play the A Diminished half-whole scale on guitar?

This page draws every note of A Diminished half-whole up to the 16th fret, each named by its degree with the root as a ring. To learn it a few frets at a time, open it in the scale library and step through its five CAGED positions, from the G shape to the E shape to the D shape to the C shape to the A shape.

When is the A Diminished half-whole scale used?

Over dominant 7♭9 chords in jazz and blues: ♭9, ♯9, ♯11 and 13 in one scale.