Bbm7b5

Half-Diminished 7th

Jazz

Click keys to experiment with the chord

Notes

1•A#4b3•C#5b5•E5b7•G#5

Formula

1 – b3 – b5 – b7

Intervals: 0 semitones, 3 semitones, 6 semitones, 10 semitones

About Bbm7b5

The Bbm7b5 chord sounds dark and ambiguous, the classic jazz ii chord in minor keys. It is built from the notes A#, C#, E, G#, stacking 4 tones to create its distinctive sound. This chord is commonly heard in jazz.

Notes: A# – C# – E – G# | Formula: 1 – b3 – b5 – b7

Related Chords

Half-Diminished 7th in other keys

Cm7b5 Dbm7b5 Dm7b5 Ebm7b5 Em7b5 Fm7b5

Other Bb chords

Bb5 — Power Chord Bb6 — Major 6th Bb7 — Dominant 7th Bb9 — Dominant 9th Bb11 — Dominant 11th Bb13 — Dominant 13th Bb — Major Bbm — Minor

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