Chord · 9ths

D9sus4 — D 9th Sus 4

D9sus4 is the D 9th sus 4 chord. It is built on the root D with perfect 4th (G), perfect 5th (A), minor 7th (C) and major 9th (E) above it — the formula 1 4 5 ♭7 9, sounding the notes D G A C E. On the piano it sits at D (octave 4) and above in the library's voicing; the same 5 notes in any octave are still D9sus4.

Root
D
Quality
9th Sus 4
Formula
1 4 5 ♭7 9
Notes
D G A C E

On the keyboard

D9sus4 on the piano keyboard: D G A C EDGACE

The notes of D9sus4

DegreeNoteInterval from the rootPitch
1DrootD4
4Gperfect 4thG4
5Aperfect 5thA4
♭7Cminor 7thC5
9Emajor 9thE5

Other 9ths on D

9th Sus 4 chords on every root

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