B AlteredScale

Formula

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

B Altered on the chromatic circle

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

W H W W W W H ♭2 CI Melodic minor ♭3 DII Dorian ♭2 ♭4 E♭III Lydian augmented ♭5 FIV Lydian dominant ♭6 GV Mixolydian ♭6 ♭7 AVI Locrian ♮2 1 BVII Altered B Altered
The whole neck

B Altered 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 ♭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 ♭4 ♭5 ♭6 ♭7 1 ♭2 ♭3 ♭5 ♭6 ♭7 1 ♭2 ♭3 ♭4 ♭5 ♭6
Harmony

Chords in B Altered

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°Bm7♭5B D F A
♭iiCm(maj7)C E♭ G B
♭iiiDm7D F A C
♭IV+E♭maj7♯5E♭ G B D
♭VF7F A C E♭
♭VIG7G B D F
♭vii°Am7♭5A C E♭ G
Context

Where B Altered fits

Over an altered dominant 7 (♭9, ♯9, ♯11, ♭13) resolving to the tonic in jazz: the V7alt of a ii–V–I.

B Altered is mode 7 of the melodic 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 scale in every key

B Altered scale questions

What notes are in the B Altered 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 scale formula?

1 ♭2 ♭3 ♭4 ♭5 ♭6 ♭7, or in steps between the notes, H W H W W W W (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 scale on guitar?

This page draws every note of B Altered 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 scale?

Bm7♭5 (i°), Cm(maj7) (♭ii), Dm7 (♭iii), E♭maj7♯5 (♭IV+), F7 (♭V), G7 (♭VI), Am7♭5 (♭vii°).

When is the B Altered scale used?

Over an altered dominant 7 (♭9, ♯9, ♯11, ♭13) resolving to the tonic in jazz: the V7alt of a ii–V–I.