B Dominant Seventh Chord
B7 · B D♯ F♯ A
The b dominant seventh chord is written B7 and is built from the notes B D♯ F♯ A. Below is the chord on a piano keyboard, followed by every inversion.
BRootD♯3rdF♯5thA7th
Inversions
Root position
B - D♯ - F♯ - A (bass B)
1st inversion
D♯ - F♯ - A - B (bass D♯)
2nd inversion
F♯ - A - B - D♯ (bass F♯)
3rd inversion
A - B - D♯ - F♯ (bass A)
Related chords
Hear every chord, explore all types and inversions, and build progressions in the full app.
