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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 F4 · A4 · Eb5 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 F4, A4 and Eb5 with the right. Suggested fingering is 5–1 on the left and 1–3–5 on the right (1 is the thumb).

Notation for C#aug9 chord

Other names: C# augmented 9th, C#+9, C# aug9

Music theory name: augmented ninth chord

Common name: C# augmented ninth chord

Intervals and tones in C#aug9 chord

Note Interval
C# Root
F Major 3rd
A Augmented 5th
H Minor 7th
Eb Major 9th

More chords with C# as the root

The same chord type in other keys