D♭7 (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
Inversions4
- D♭77
Root position · D♭ F A♭ C♭
- D♭7/F6/5
1st inversion · F A♭ C♭ D♭
- D♭7/A♭4/3
2nd inversion · A♭ C♭ D♭ F
- D♭7/C♭4/2
3rd inversion · C♭ D♭ F A♭