C# aug7#9 Chord on Guitalele

Play C# aug7#9 on Guitalele: diagrams, finger positions, intervals, and every voicing up and down the neck for this instrument.

The C# aug7#9 chord is an augmented chord with a raised fifth that creates restless, unresolved tension. It is built from the notes C#, D##, E#, G##, B. This page shows how to play C# aug7#9 on Guitalele with clear fretboard diagrams and suggested finger positions.

The lowest shape sits at fret 4 and spans 4 frets, with no open strings in it. C# falls on the A string. It sounds from C#3 up to D##5.

Guitalele is tuned A–D–G–C–E–A, with 15 frets to work with. Guitar shapes work unchanged on guitalele — finger them exactly as charted; every shape sounds a perfect fourth higher than on guitar.

Browse alternate voicings to find the one that sits best under your fingers, then compare it with the other chord types built on C# or explore the same shape in nearby keys. The diagrams list the notes in each voicing so you can connect the shape to the theory behind it.