B♭
C
D♭
E♭
E
G♭
G
A
B♭
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B♭ Whole-Half Diminished
1 – 2 – ♭3 – 4 – ♭5 – ♭6 – 6 – 7
ABOUT THIS SCALE
An eight-note symmetrical scale alternating whole steps and half steps. It is commonly used over diminished seventh chords.
GUITAR FRETBOARD
B♭ Whole-Half Diminished
Standard tuning — E A D G B E — open through fret 24.
Scale note
Root
Click any note to hear it.
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Playback:
The scale follows a practical two-octave route across nearby
strings and frets. The note currently sounding turns bright white.
JAM OVER THIS
Key of B♭
Chord progression ideas
Diminished Seventh Cycle
i°7 – ♭iii°7 – ♭v°7 – i°7
B♭°7
→
D♭°7
→
E°7
→
B♭°7
Diminished-seventh chords repeat symmetrically in minor-third intervals, matching the structure of the scale.
Diminished Vamp
i°7 – ♭iii°7 – i°7
B♭°7
→
D♭°7
→
B♭°7
A compact symmetrical vamp for practicing diminished lines and repeating shapes.