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C#aug Piano Chord

A mysterious, dreamlike sound with a raised fifth. Used as a chromatic passing chord, often in progressive rock, film music and Beatles-style progressions.

Piano

Recommended voicing
C#4 · E#4 · A4

How to play the C#aug chord on piano

Play the recommended root-position voicing with the right hand: C#4, E#4 and A4. Suggested fingering is 1–3–5 (1 is the thumb).

Other names for the C#aug chord

Other names: C# augmented, C#+

Music theory name: augmented triad

Common name: C# augmented chord

Notes and intervals in the C#aug chord

Note Interval
C# Root
E# Major 3rd
A Augmented 5th

Inversions

1st inversion
E#4 · A4 · C#5
2nd inversion
A4 · C#5 · E#5

More chords with C# as the root

The same chord type in other keys

Songs using C#aug

Step On Me
The Cardigans