Root position B♭m7
B♭ – D♭ – F – A♭
Right hand 1-2-3-5Left hand 5-3-2-1
B♭m7 B♭ D♭ F A♭ Formula 1 b3 5 b7 4 notes
Also written A♯ m7: the same keys under another name.
The B♭m7 chord has 4 notes: B♭, D♭, F, A♭. It is the minor triad with a minor seventh on top (10 half steps above B♭).
| Note | Interval from the root | Half steps |
|---|---|---|
| B♭ | Root | 0 |
| D♭ | Minor 3rd | 3 |
| F | Perfect 5th | 7 |
| A♭ | Minor 7th | 10 |
The same notes in a different order. The lowest note changes the name after the slash; the fingering below is the usual one - right hand from the lowest key up, left hand from the lowest key up too.
B♭ – D♭ – F – A♭
Right hand 1-2-3-5Left hand 5-3-2-1
D♭ – F – A♭ – B♭
Right hand 1-2-3-5Left hand 5-4-2-1
The piano studio names these keys D♭6: the same notes, read from another root.
F – A♭ – B♭ – D♭
Right hand 1-2-3-5Left hand 5-3-2-1
A♭ – B♭ – D♭ – F
Right hand 1-2-3-5Left hand 5-3-2-1
Every key where B♭m7 is one of the seven chords, with its Roman numeral, and the scales whose notes include all of it - the ones to improvise over it.
The B♭m7 chord (B♭m7) is made of B♭, D♭, F, A♭. Its formula is 1 b3 5 b7 - the root, then the intervals of a minor 7th chord.
Put your right thumb on B♭ and play the other notes with fingers 1-2-3-5. With the left hand, use fingers 5-3-2-1 from the lowest key up.
root position B♭m7 (B♭ D♭ F A♭); 1st inversion B♭m7/D♭ (D♭ F A♭ B♭); 2nd inversion B♭m7/F (F A♭ B♭ D♭); 3rd inversion B♭m7/A♭ (A♭ B♭ D♭ F).
On the piano, yes: the same keys. The name changes with the key you are in - sharps in sharp keys, flats in flat keys.
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