A♯ Altered Scale (Superlocrian) on Guitar

The A♯ Altered Scale (Superlocrian) is a 7-note scale (over altered dominant chords (7alt)) built from the formula 1 ♭2 ♭3 ♭4 ♭5 ♭6 ♭7. Its notes are A♯ B C♯ D E F♯ G♯. Below you'll find the scale on the whole fretboard, the chords that belong to it and related scales — open it in the interactive fretboard for 3NPS, CAGED and pentatonic box patterns with playback.

Notes and intervals

DegreeNoteInterval
1A♯root
♭2BMinor 2nd
♭3C♯Minor 3rd
♭4DDiminished 4th
♭5EDiminished 5th (tritone)
♭6F♯Minor 6th
♭7G♯Minor 7th

Steps: H – W – H – W – W – W – W (W = whole step, H = half step)

A♯ Altered Scale (Superlocrian) on the fretboard (15 frets)

A♯ Altered Scale (Superlocrian) – guitar fretboardEADGBEE♭5F♯♭6G♯♭7A♯1B♭2C♯♭3D♭4E♭5F♯♭6A♯1B♭2C♯♭3D♭4E♭5F♯♭6G♯♭7A♯1B♭2D♭4E♭5F♯♭6G♯♭7A♯1B♭2C♯♭3D♭4E♭5G♯♭7A♯1B♭2C♯♭3D♭4E♭5F♯♭6G♯♭7A♯1B♭2C♯♭3D♭4E♭5F♯♭6G♯♭7A♯1B♭2C♯♭3D♭4E♭5F♯♭6G♯♭7A♯1B♭2C♯♭3D♭4E♭5F♯♭6123456789101112131415

Standard tuning E A D G B E. Pink = root, purple = characteristic notes. 3NPS, CAGED and box patterns plus other tunings are in the interactive fretboard.

Chords in the scale

Other scales from A♯

Altered (Superlocrian) in other keys

FAQ

What notes are in the A♯ Altered Scale (Superlocrian)?
The A♯ Altered Scale (Superlocrian) has 7 notes: A♯, B, C♯, D, E, F♯, G♯. Its formula is 1 ♭2 ♭3 ♭4 ♭5 ♭6 ♭7.
What intervals make up the A♯ Altered Scale (Superlocrian)?
Step pattern: H – W – H – W – W – W – W (W = whole step, H = half step). Intervals from the root: ♭2 (Minor 2nd), ♭3 (Minor 3rd), ♭4 (Diminished 4th), ♭5 (Diminished 5th (tritone)), ♭6 (Minor 6th), ♭7 (Minor 7th).
What chords are in the A♯ Altered Scale (Superlocrian)?
Triads: A♯°, Bm, C♯m, D+, E, F♯, G♯°. Seventh chords: A♯m7♭5, Bm(maj7), C♯m7, Dmaj7♯5, E7, F♯7, G♯m7♭5.