SCALE REFERENCE

G♭ Diminished (Whole–Half)

G♭ – A♭ – A – B – C – D – E♭ – F1 2 b3 4 b5 b6 6 7

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

Eight notes alternating whole then half steps — the scale over a diminished 7th chord. Fully symmetric: it repeats every minor third.

Notes & degrees
G♭1A♭2Ab3B4Cb5Db6E♭6F7
NotesGb, Ab, A, B, C, D, Eb, F
StepsW – H – W – H – W – H – W – H (W = whole, H = half)
Also calledOctatonic
Piano
ABCDFG♭A♭E♭
Guitar & ukulele — every position (frets 0–12)
357912eFG♭A♭ABCDE♭BBCDE♭FG♭A♭ABGA♭ABCDE♭FG♭DDE♭FG♭A♭ABCDAABCDE♭FG♭A♭AEFG♭A♭ABCDE♭

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

357912AABCDE♭FG♭A♭AEFG♭A♭ABCDE♭CCDE♭FG♭A♭ABCGA♭ABCDE♭FG♭

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 (Half–Whole)G♭ Augmented Scale

World & exotic

G♭ Hungarian MinorG♭ Double Harmonic MajorG♭ Neapolitan Minor
Diminished (Whole–Half) 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.