CHORD · HALF-DIMINISHED 7TH

Bbm7b5 (Bbm7b5)

The Bbm7b5 chord (Bbm7b5) contains 4 notes: Bb, Db, E, Ab. Diminished triad plus a major third — appears on the ii of minor keys.

CDEFGABCDEFGABCBbDbAb

Notes

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Intervals from root

DegreeNoteIntervalQualityHalf steps
1Bb1Perfect Unison0
2Dbb3Minor 3rd3
3Eb5Diminished 5th6
4Abb7Minor 7th10

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