Chord
B♭7 is a dominant seventh chord with the notes B♭, D, F, A♭. The same chord spelled from A♯ is A♯7.
| Note | Interval | Semitones |
|---|---|---|
| B♭ | root | 0 |
| D | major 3rd | 4 |
| F | perfect 5th | 7 |
| A♭ | minor 7th | 10 |
| Root position | B♭ – D – F – A♭ | |
| 1st inversion | D – F – A♭ – B♭ (B♭7/D) | |
| 2nd inversion | F – A♭ – B♭ – D (B♭7/F) | |
| 3rd inversion | A♭ – B♭ – D – F (B♭7/A♭) |
A dominant seventh chord is a major triad with a minor 7th added. It is the V7 chord of a major key and pulls strongly towards the tonic; it is also the basic chord of the blues.
Look up any other chord with the Scale & Chord Finder.