B flat minor seventh guitar chord (Bbm7)
Also written A#m7 (A sharp minor seventh)
The minor seventh chord adds a minor seventh to the minor chord. Softer than a plain minor chord, it is everywhere in jazz, funk, soul and pop.
Positions and fingerings
Position 1 fret 1
Position 2 fret 6
Position 3 fret 8
× muted string · o open string · numbers: fingers (1 index, 2 middle, 3 ring, 4 pinky)
Chord notes
| Note | Interval |
|---|---|
| B♭ (B flat) | root |
| D♭ (D flat) | minor third |
| F | perfect fifth |
| A♭ (A flat) | minor seventh |
Formula: 1 – b3 – 5 – b7 · B♭ – D♭ – F – A♭
A progression with this chord
The minor seventh chord as the ii in a ii – V – I, the cornerstone of jazz harmony.