C Altered Scale (Superlocrian) on Guitar

The C 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 C D♭ E♭ F♭ G♭ A♭ B♭. 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
1Croot
♭2D♭Minor 2nd
♭3E♭Minor 3rd
♭4F♭Diminished 4th
♭5G♭Diminished 5th (tritone)
♭6A♭Minor 6th
♭7B♭Minor 7th

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

C Altered Scale (Superlocrian) on the fretboard (15 frets)

C Altered Scale (Superlocrian) – guitar fretboardEADGBEF♭♭4G♭♭5A♭♭6B♭♭7C1D♭♭2E♭♭3F♭♭4G♭♭5B♭♭7C1D♭♭2E♭♭3F♭♭4G♭♭5A♭♭6B♭♭7C1E♭♭3F♭♭4G♭♭5A♭♭6B♭♭7C1D♭♭2E♭♭3F♭♭4A♭♭6B♭♭7C1D♭♭2E♭♭3F♭♭4G♭♭5A♭♭6B♭♭7C1D♭♭2E♭♭3F♭♭4G♭♭5A♭♭6B♭♭7C1D♭♭2F♭♭4G♭♭5A♭♭6B♭♭7C1D♭♭2E♭♭3F♭♭4G♭♭5123456789101112131415

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 C

Altered (Superlocrian) in other keys

FAQ

What notes are in the C Altered Scale (Superlocrian)?
The C Altered Scale (Superlocrian) has 7 notes: C, D♭, E♭, F♭, G♭, A♭, B♭. Its formula is 1 ♭2 ♭3 ♭4 ♭5 ♭6 ♭7.
What intervals make up the C 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 C Altered Scale (Superlocrian)?
Triads: C°, D♭m, E♭m, F♭+, G♭, A♭, B♭°. Seventh chords: Cm7♭5, D♭m(maj7), E♭m7, F♭maj7♯5, G♭7, A♭7, B♭m7♭5.