A Altered 𝄫7Scale
Formula
A Altered 𝄫7 on the chromatic circle
A Altered 𝄫7 is the 7th mode of the Harmonic minor family. Pick another note on the circle to open the scale that starts there.
A Altered 𝄫7 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.
Chords in A Altered 𝄫7
Stack every other note of the scale from each degree and you get its chords. Open any of them in the chord library.
Where A Altered 𝄫7 fits
Over the diminished 7 chord on the 7th degree of a minor key, resolving to the tonic.
A Altered 𝄫7 is mode 7 of the harmonic minor family. The same notes played from each of its other degrees give the family's other modes:
Move one note by a half step and you get a different scale:
Altered 𝄫7 scale in every key
A Altered 𝄫7 scale questions
What notes are in the A Altered 𝄫7 scale?
A B♭ C D♭ E♭ F G♭. As degrees from the root: 1 ♭2 ♭3 ♭4 ♭5 ♭6 𝄫7.
What is the A Altered 𝄫7 scale formula?
1 ♭2 ♭3 ♭4 ♭5 ♭6 𝄫7, or in steps between the notes, H W H W W H 1½ (W is a whole step of two frets, H a half step of one fret, 1½ three frets).
How do you play the A Altered 𝄫7 scale on guitar?
This page draws every note of A Altered 𝄫7 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.
What chords are in the A Altered 𝄫7 scale?
A°7 (i°), B♭m(maj7) (♭ii), Cm7♭5 (♭iii°), D♭maj7♯5 (♭IV+), E♭m7 (♭v), F7 (♭VI), G♭maj7 (𝄫VII).
When is the A Altered 𝄫7 scale used?
Over the diminished 7 chord on the 7th degree of a minor key, resolving to the tonic.