Bm7

B Minor 7th — the workhorse of smooth harmony — soft, rounded, and at home on the ii chord of nearly everything.

The keys
C4C5C6
B – D – F♯ – A
What's inside Bm7
NoteInterval from rootDegree
BRoot1
DMinor 3rdb3
F♯Perfect 5th5
AMinor 7thb7
Inversions
PositionKeys (low → high)
Root positionB4 – D5 – G♭5 – A5
1st inversionD5 – G♭5 – A5 – B5
2nd inversionG♭5 – A5 – B5 – D6
3rd inversionA5 – B5 – D6 – G♭6
A working voicing

Split the chord between two hands the way working players do — a solid shell low down, the colour tones up top:

HandKeys
Left (shell)B2 – A3
Right (colour)D5 – G♭5
Where Bm7 lives

As the ii chord

Bm7 → E7 → Amaj7

Minor-family sevenths live on the ii — this is the move they were born for.

Stepwise colour

B → Bm7 → D♭m7

Used as a passing colour between neighbouring chords.

Put Bm7 under your fingers

Hear every voicing, see the keys light up, and drill it in the interactive Chord & Voicing Lab.

Open the Chord & Voicing Lab →
Minor 7th in every key
Cm7 C♯m7 Dm7 E♭m7 Em7 Fm7 F♯m7 Gm7 A♭m7 Am7 B♭m7