Bb Blues scale

Minor pentatonic with an added lowered 5th; the blue note adds controlled tension.

Octaves

Musical context

How the scale relates to the chord, mode, key and progression.

Theory

General info

Name
Bb Blues scale
Family
Pentatonic scales
Note count
6
Step formula
W+H – W – H – H – W+H – W
Numeric formula
0-3-2-1-1-3-2

Notes & degrees

1Bbroot
b3Dbminor 3rd
4Ebperfect 4th
b5Fbdim 5th
5Fperfect 5th
b7Abminor 7th

Construction

Overview
Minor pentatonic with an added lowered 5th; the blue note adds controlled tension.
Application in music
The lowered 5th creates shifting tension over I7, IV7 and V7; the scale is used in blues improvisation.
Interval formula
Bb
WH
Db
W
Eb
H
Fb
H
F
WH
Ab

Tensions & resolutions

Stable degrees

IBbpoint of resttonic
VFsupports the tonic sonorityfifth

Typical resolutions & tensions

IIIDbDb
IVEbEb
In a dominant context, scale degree 4 normally descends by step to 3.

This scale on guitar 🎸

See how Bb Blues scale looks on guitar.

Explore

Circle of fifths

The major key on the same tonic and its neighbouring keys on the circle of fifths.

CAmGEmDBmAF#mEC#mBG#mF#D#mDbBbmAbFmEbCmBbGmFDmBbmajor
Relative key
Dominant
Subdominant
Key signature
2 flats (Bb, Eb)

Connections

Practice

Keyboard Trainer

Reinforce it in practice — play and name notes on the interactive keyboard.

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Frequently Asked Questions