B Altered 𝄫7Scale

Formula

H W H W W H 1½ 1 ♭2 ♭3 ♭4 ♭5 ♭6 𝄫7
The family

B Altered 𝄫7 on the chromatic circle

B Altered 𝄫7 is the 7th mode of the Harmonic minor family. Pick another note on the circle to open the scale that starts there.

W H W W H 1½ H ♭2 CI Harmonic minor ♭3 DII Locrian ♮6 ♭4 E♭III Ionian ♯5 ♭5 FIV Dorian ♯4 ♭6 GV Phrygian dominant 𝄫7 A♭VI Lydian ♯2 1 BVII Altered 𝄫7 B Altered 𝄫7
The whole neck

B 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.

3 5 7 9 12 15 ♭5 ♭6 𝄫7 1 ♭2 ♭3 ♭4 ♭5 ♭6 1 ♭2 ♭3 ♭4 ♭5 ♭6 𝄫7 1 ♭2 ♭3 ♭4 ♭5 ♭6 𝄫7 1 ♭2 ♭3 ♭4 ♭5 ♭6 𝄫7 1 ♭2 ♭3 ♭4 ♭5 ♭6 𝄫7 1 ♭2 ♭3 ♭4 ♭5 ♭6 𝄫7 1 ♭2 ♭3 ♭5 ♭6 𝄫7 1 ♭2 ♭3 ♭4 ♭5 ♭6
Harmony

Chords in B 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.

DegreeChordNotes
i°B°7B D F A♭
♭iiCm(maj7)C E♭ G B
♭iii°Dm7♭5D F A♭ C
♭IV+E♭maj7♯5E♭ G B D
♭vFm7F A♭ C E♭
♭VIG7G B D F
𝄫VIIA♭maj7A♭ C E♭ G
Context

Where B Altered 𝄫7 fits

Over the diminished 7 chord on the 7th degree of a minor key, resolving to the tonic.

B 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

B Altered 𝄫7 scale questions

What notes are in the B Altered 𝄫7 scale?

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

What is the B 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 B Altered 𝄫7 scale on guitar?

This page draws every note of B 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 A shape to the G shape to the E shape to the D shape to the C shape.

What chords are in the B Altered 𝄫7 scale?

B°7 (i°), Cm(maj7) (♭ii), Dm7♭5 (♭iii°), E♭maj7♯5 (♭IV+), Fm7 (♭v), G7 (♭VI), A♭maj7 (𝄫VII).

When is the B Altered 𝄫7 scale used?

Over the diminished 7 chord on the 7th degree of a minor key, resolving to the tonic.