Bm7 guitar chord
The third voice from the top lowered an octave. The dropped voice becomes the bass, which is why a string is skipped.
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- Fingers, notes or intervals
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About Bm7 — drop 3 voicings
Bm7 is B, D, F# and A — Bm with the flat seventh added.
It sounds smooth and unhurried. The ii of every major key, so most progressions you already know begin on one of these.
Bm7 notes and formula
| B | D | F# | A |
|---|---|---|---|
| 1 | ♭3 | 5 | ♭7 |
Pre-dominant — the ii of a major key, and a tonic in its own right.
Also written Bmin7, B-7 or B minor 7. The same chord either way; which spelling you meet depends on who wrote the chart.
How to play Bm7
The same operation one voice further down: the third voice from the top falls an octave and becomes the bass.
That leaves a bigger hole under the top three notes, so a string gets skipped: the muted string in the middle is the shape, not a mistake.
Bm7 has 10 of them, on strings 6-4-3-2 and strings 5-3-2-1, from the 2nd fret up to the 14th — every inversion the chord has: B in the bass, D in the bass, F# in the bass and A in the bass. The one to learn first is the F# shape at the 2nd fret.
5 of them sit on strings 6-4-3-2, so you can run the inversions up one set without changing strings — which is the whole reason to learn them as a family rather than as separate grips.
Start with xx4435 — no barre and low, at the 3rd fret. None of the shapes for Bm7 uses an open string, so every one of them is movable; the lowest sits at the 2nd fret. 2 of the 6 need a barre. Together they cover the neck from the 2nd fret to the 15th.
| Frets | Where | Bass | Top | Hand |
|---|---|---|---|---|
| x24232 | 2nd fret | B, root position | F# | barred |
| xx4435 | 3rd fret | F#, 2nd inversion | A | all fretted |
| 797777 | 7th fret | B, root position | B | barred |
| x-x-9-11-10-10 | 9th fret | B, root position | D | all fretted |
| x-14-12-14-12-x | 12th fret | B, root position | B | all fretted |
| x-14-12-14-15-x | 12th fret | B, root position | D | all fretted |
The same notes rebuilt from scratch give 8 shell, 14 drop 2 and 6 open string voicings, each on its own page.
Tensions. A shell of Bm7, root, third and seventh, leaves a string free, and the tones that belong over it are the 9 (C#), the 11 (E) and the 13 (G#).
How to use Bm7
How you get to it. The turn that lands on Bm7 is C#m7♭5 to F#7♭9: the ii and the V of B minor, which is where a minor tonic is usually arrived at rather than simply begun on.
In which keys. Every note of Bm7 belongs to D major (the vi), E minor (the v), F# minor (the iv), G major (the iii), A major (the ii) and B minor (the i).
What to play over Bm7
Every note of Bm7 is in B minor pentatonic, B blues, B dorian, B natural minor and B phrygian.
Chords near Bm7
Change one note of Bm7 and you have Bm (drop the flat seventh), Bm6 (the flat seventh becomes a sixth), Bm7b5 (the fifth becomes a flat fifth), Bm9 (add the ninth), BmMaj7 (the flat seventh becomes a major seventh) or Bmadd9 (the flat seventh becomes a ninth).
Bm7 is a minor chord — root, minor third, fifth. Minor chords on every root.
On Bm7’s sound and use this page follows Mark Levine, The Jazz Theory Book (Sher Music, 1995). The shapes and the derived voicings come from different places, and both are explained in where the chords and the theory come from.