D7 (D dominant 7th): D F# A C. Formula 1 3 5 ♭7. A major triad with a minor 7th: the tritone between its 3rd and ♭7 pulls toward the tonic. The V chord of every key, and the I chord of the blues.
Made of4
Contains & part of19
Scales that contain it18
Extensions1
Inversions4
- D77
Root position · D F# A C
- D7/F#6/5
1st inversion · F# A C D
- D7/A4/3
2nd inversion · A C D F#
- D7/C4/2
3rd inversion · C D F# A