SCALE REFERENCE

B♭ Double Harmonic Major

B♭ – C♭ – D – E♭ – F – G♭ – A1 b2 3 4 5 b6 7

A major 3rd and 7th over a flat 2nd and 6th — the 'Arabic' scale, with augmented 2nds on both sides of the 5th.

Notes & degrees
B♭1C♭b2D3E♭4F5G♭b6A7
NotesBb, Cb, D, Eb, F, Gb, A
Steps1 – 3 – 1 – 2 – 1 – 3 – 1 (semitones)
Also calledByzantine, Arabic, Gypsy Major
Piano
C♭DFAB♭E♭G♭
Guitar & ukulele — every position (frets 0–12)
357912eFG♭AB♭C♭DE♭BC♭DE♭FG♭AB♭C♭GAB♭C♭DE♭FG♭DDE♭FG♭AB♭C♭DAAB♭C♭DE♭FG♭AEFG♭AB♭C♭DE♭

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

357912AAB♭C♭DE♭FG♭AEFG♭AB♭C♭DE♭CDE♭FG♭AB♭C♭GAB♭C♭DE♭FG♭

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

Chords in the key
DegreeTriad7th chord
IB♭B♭maj7
♭IIC♭C♭maj7
iiiDmDmin
ivE♭mE♭m(maj7)
VFF?
♭VI+G♭augG♭maj7♯5
VIIAA?

These are the chords built by stacking scale notes in thirds. Click through for each chord's own diagrams:

IB♭♭IIC♭iiiDmivE♭mVF♭VI+G♭augVIIA
Other scales on B♭

Core scales & modes

B♭ MajorB♭ Natural MinorB♭ Harmonic MinorB♭ Melodic MinorB♭ DorianB♭ PhrygianB♭ LydianB♭ MixolydianB♭ Locrian

Pentatonic & blues

B♭ Major PentatonicB♭ Minor PentatonicB♭ BluesB♭ Major Blues

Jazz & altered

B♭ Harmonic MajorB♭ Phrygian DominantB♭ Lydian DominantB♭ AlteredB♭ Bebop Dominant

Symmetric

B♭ Whole ToneB♭ Diminished (Whole–Half)B♭ Diminished (Half–Whole)B♭ Augmented Scale

World & exotic

B♭ Hungarian MinorB♭ Neapolitan Minor
Double Harmonic Major on another root
CC♯DE♭EFF♯GA♭AB♭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.