SCALE REFERENCE

B♭ Phrygian

B♭ – C♭ – D♭ – E♭ – F – G♭ – A♭1 b2 b3 4 5 b6 b7

Also written A♯ Phrygian — the same pitches spelled the other way.

Minor with a flat 2nd — dark and Spanish-tinged. The 3rd mode of the major scale.

Notes & degrees
B♭1C♭b2D♭b3E♭4F5G♭b6A♭b7
NotesBb, Cb, Db, Eb, F, Gb, Ab
StepsH – W – W – W – H – W – W (W = whole, H = half)
Piano
C♭FB♭D♭E♭G♭A♭
Guitar & ukulele — every position (frets 0–12)
357912eFG♭A♭B♭C♭D♭E♭BC♭D♭E♭FG♭A♭B♭C♭GA♭B♭C♭D♭E♭FG♭DE♭FG♭A♭B♭C♭D♭AB♭C♭D♭E♭FG♭A♭EFG♭A♭B♭C♭D♭E♭

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

357912AB♭C♭D♭E♭FG♭A♭EFG♭A♭B♭C♭D♭E♭CD♭E♭FG♭A♭B♭C♭GA♭B♭C♭D♭E♭FG♭

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

Chords in the key
DegreeTriad7th chord
iB♭mB♭m7
♭IIC♭C♭maj7
♭IIID♭D♭7
ivE♭mE♭m7
v°FdimFm7♭5
♭VIG♭G♭maj7
♭viiA♭mA♭m7

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

iB♭m♭IIC♭♭IIID♭ivE♭mv°Fdim♭VIG♭♭viiA♭m
Other scales on B♭

Core scales & modes

B♭ MajorB♭ Natural MinorB♭ Harmonic MinorB♭ Melodic MinorB♭ DorianB♭ 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♭ Double Harmonic MajorB♭ Neapolitan Minor
Phrygian on another root
CC♯DE♭D♯EFF♯GG♯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.