Piano chord
B♭ Minor 7th Chord
B♭m7 is a minor 7th chord built on B♭. It contains the notes B♭ – D♭ – F – A♭.
B♭m7
Also written: B♭min7, B♭-7, A♯m7
- B♭
- D♭
- F
- A♭
Notes in B♭m7
Count up from B♭ using the intervals below. The formula shows each note relative to the B♭ major scale.
| Notes | Intervals | Formula | Semitones |
|---|---|---|---|
| B♭ | Root | 1 | 0 |
| D♭ | Minor 3rd | ♭3 | 3 |
| F | Perfect 5th | 5 | 7 |
| A♭ | Minor 7th | ♭7 | 10 |
How to play B♭m7 on piano
- Right hand: fingers 1–2–3–5 (thumb on B♭).
- Left hand: fingers 5–3–2–1, or play just the root in the left hand and the other notes in the right.
- Inversions keep your hand closer to the previous chord — see below.
B♭m7 inversions
An inversion puts a different note of B♭m7 at the bottom. The notes stay the same, the colour and voice leading change.
Root position
B♭m7B♭ – D♭ – F – A♭
1st inversion
B♭m7/D♭D♭ – F – A♭ – B♭
2nd inversion
B♭m7/FF – A♭ – B♭ – D♭
3rd inversion
B♭m7/A♭A♭ – B♭ – D♭ – F
About minor 7th chords
The minor 7th is the workhorse of jazz and R&B — smoother than a plain minor chord, with a relaxed, after-midnight feel.
Sound: Smooth & jazzy
Songs that use it
- What's Going On · Marvin GayeR&B
- Fly Me to the Moon · Frank SinatraJazz
- Isn't She Lovely · Stevie WonderR&B
Keys that contain B♭m7
B♭m7 is built only from notes of these keys. The Roman numeral shows its role in each key.
Hear B♭m7 with different sounds and compare it with other chords in the interactive builder.
Open in the chord builderPractising on an acoustic piano that sounds off?
If chords sound sour even when you play the right notes, the piano is probably out of tune. Our technicians tune pianos across Israel.