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C#aug9 Piano Chord

A rich chord extending aug7 with a ninth. Found in jazz and funk.

Piano

Recommended voicing
Left hand C#3 · B3 fingers 5–1
Right hand E#4 · A4 · D#5 fingers 1–3–5

How to play the C#aug9 chord on piano

Split the recommended voicing between the hands: play C#3 and B3 with the left hand and E#4, A4 and D#5 with the right. Suggested fingering is 5–1 on the left and 1–3–5 on the right (1 is the thumb).

Other names for the C#aug9 chord

Other names: C# augmented 9th, C#+9

Music theory name: augmented ninth chord

Common name: C# augmented ninth chord

Notes and intervals in the C#aug9 chord

Note Interval
C# Root
E# Major 3rd
A Augmented 5th
B Minor 7th
D# Major 9th

More chords with C# as the root

The same chord type in other keys