SCALE REFERENCE

G♭ Diminished (Half–Whole)

G♭ – G – A – B♭ – C – D♭ – E♭ – E1 b2 b3 3 #4 5 6 b7

Also written F♯ Diminished (Half–Whole) — the same pitches spelled the other way.

Half then whole steps — the scale over a 7b9 chord, giving the b9, #9, #11 and 13. The other half of the octatonic pair.

Notes & degrees
G♭1Gb2Ab3B♭3C#4D♭5E♭6Eb7
NotesGb, G, A, Bb, C, Db, Eb, E
StepsH – W – H – W – H – W – H – W (W = whole, H = half)
Also calledDominant Diminished
Piano
GACEG♭B♭D♭E♭
Guitar & ukulele — every position (frets 0–12)
357912eEG♭GAB♭CD♭E♭EBCD♭E♭EG♭GAB♭GGAB♭CD♭E♭EG♭GDE♭EG♭GAB♭CD♭AAB♭CD♭E♭EG♭GAEEG♭GAB♭CD♭E♭E

Root notes are red. The full map of the scale on the guitar neck; the common box patterns are groups of these notes.

357912AAB♭CD♭E♭EG♭GAEEG♭GAB♭CD♭E♭ECCD♭E♭EG♭GAB♭CGGAB♭CD♭E♭EG♭G

The same scale on a ukulele in standard G–C–E–A tuning.

Other scales on G♭

Core scales & modes

G♭ MajorG♭ Natural MinorG♭ Harmonic MinorG♭ Melodic MinorG♭ DorianG♭ PhrygianG♭ LydianG♭ MixolydianG♭ Locrian

Pentatonic & blues

G♭ Major PentatonicG♭ Minor PentatonicG♭ BluesG♭ Major Blues

Jazz & altered

G♭ Harmonic MajorG♭ Phrygian DominantG♭ Lydian DominantG♭ AlteredG♭ Bebop Dominant

Symmetric

G♭ Whole ToneG♭ Diminished (Whole–Half)G♭ Augmented Scale

World & exotic

G♭ Hungarian MinorG♭ Double Harmonic MajorG♭ Neapolitan Minor
Diminished (Half–Whole) on another root
CC♯D♭DE♭D♯EFF♯G♭GA♭G♯AB♭A♯B
Keep exploring

See the diatonic chords with audio in the Scale & Chord Finder, find where a key sits among the others on the Circle of Fifths, or start the free Cloud Atelier music guides.