transpose.siteB♭7 chord (B♭ dominant seventh)
The B♭7 chord (same sound as A♯7) is a dominant seventh chord built on B♭. A major chord plus a minor seventh. The tritone between the third and the seventh creates tension that wants to resolve to the chord a fourth higher.
B♭7 guitar chord
Common shape
Barre, root on 5th string (fret 1)
The left vertical line is the 6th (thickest) string. Numbers in dots are fingers (1 index · 2 middle · 3 ring · 4 little), × means don't play that string and ○ means open.
Play it the easy way with a capo
- Capo on fret 1 + A7 shape
- Capo on fret 3 + G7 shape
- Capo on fret 6 + E7 shape
With a capo on for the whole song, every other chord moves by the same number of frets.
B♭7 chord notes
| Degree | 1 (root) | 3 (major 3rd) | 5 (perfect 5th) | ♭7 (minor 7th) |
|---|---|---|---|---|
| Note | B♭ | D | F | A♭ |
B♭7 piano chord
On piano, press these 4 notes together. Bass players usually play the root, B♭.
B♭7 usually resolves to E♭, a fourth higher.
Keys that use B♭7
- E♭ major: V7
- C minor: VII7
Progressions in E♭ major
- E♭ – B♭7 – Cm – A♭ (I – V – vi – IV, the most common pop progression)
- E♭ – Cm – A♭ – B♭7 (I – vi – IV – V, the '50s progression, ballads)
Transposing B♭7
One half step up, B♭7 becomes B7; one half step down, A7. To change the key of a whole PDF score, open it in the free PDF transposer.