Chord · 7ths

D7 — D Dominant 7th

D7 is the D dominant 7th chord. It is built on the root D with major 3rd (F♯), perfect 5th (A) and minor 7th (C) above it — the formula 1 3 5 ♭7, sounding the notes D F♯ A C. On the piano it sits at D (octave 4) and above in the library's voicing; the same 4 notes in any octave are still D7.

Root
D
Quality
Dominant 7th
Formula
1 3 5 ♭7
Notes
D F♯ A C

On the keyboard

D7 on the piano keyboard: D F♯ A C1235DF♯AC

Right-hand fingering for this voicing: 1–2–3–5 (1 is the thumb).

The notes of D7

DegreeNoteInterval from the rootPitch
1DrootD4
3F♯major 3rdF♯4
5Aperfect 5thA4
♭7Cminor 7thC5

Other 7ths on D

Dominant 7th chords on every root

Part of the chord reference. See also the scales and the keys.