Piano chords › D dominant 7th
Symbol: D7 · Notes: D – F♯ – A – C
The dominant seventh chord: a major chord plus a minor seventh. Its tension pulls toward the chord a fifth below (G7 → C), and it is the sound of the blues.
Fingering: right hand 1 2 3 5, left hand 5 3 2 1 (1 = thumb, 5 = pinky).
D · Dm · Dmaj7 · Dm7 · Dsus2 · Dsus4 · Ddim · D+ · D6 · Dm6 · Dadd9 · Ddim7 · Dm7♭5