Ultralocrian scale on guitar

Ultralocrian is the seventh mode of harmonic minor, the scale for a diminished 7th chord.

Notes in AA Bb C Db Eb F Gb
Formula1 b2 b3 b4 b5 b6 bb7
StepsH W H W W H W+H (W whole step, H half step)
Note count7
Style in the appSpecial, scale "UltraLocrian"
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A Ultralocrian on the first 15 frets in standard tuning, thin e string on top. Highlighted circles mark the root, A.

Play A Ultralocrian on the fretboard in Guitar Upscale

About the Ultralocrian scale

The notes are root, flat 2nd, flat 3rd, flat 4th, flat 5th, flat 6th and double flat 7th. G# Ultralocrian has the notes of A harmonic minor.

The flat 4th sounds the same as a major 3rd and the double flat 7th the same as a major 6th.

Use it over a diminished 7th chord that resolves up a half step, such as G#dim7 to Am.

Intervals from the root

DegreeIntervalSemitonesIn A
1Root0A
b2Minor 2nd1Bb
b3Minor 3rd3C
b4Major 3rd4Db
b5Tritone6Eb
b6Minor 6th8F
bb7Major 6th9Gb

Chords in A Ultralocrian

Stack every other note of the scale and you get one chord on each note. These chords sound at home with the scale, so they make good progressions.

DegreeTriadSeventh chord
i°AdimAdim7
biiBbmBbmMaj7
biii°CdimCm7b5
bIV+DbaugDbmaj7#5
bvEbmEbm7
bVIFF7
bbVIIGbGbmaj7

Same notes, another starting note

Start the A Ultralocrian scale on another of its notes and you get these scales:

Ultralocrian in every key

KeyNotesPlay it
CC Db Eb Fb Gb Ab AOpen
C#C# D E F G A BbOpen
DD Eb F Gb Ab Bb CbOpen
EbEb Fb Gb G A Cb COpen
EE F G Ab Bb C DbOpen
FF Gb Ab A Cb Db DOpen
F#F# G A Bb C D EbOpen
GG Ab Bb Cb Db Eb FbOpen
G#G# A B C D E FOpen
AA Bb C Db Eb F GbOpen
BbBb Cb Db D Fb Gb GOpen
BB C D Eb F G AbOpen

More Special scales