C 7#9 Chord on Concert Ukulele
Play C 7#9 on Concert Ukulele: diagrams, finger positions, intervals, and every voicing up and down the neck for this instrument.
The C 7#9 chord is an extended or altered dominant that stacks ninths, elevenths, thirteenths, or chromatic tensions over a dominant-seventh core. It is built from the notes C, D#, E, G, A#. This page shows how to play C 7#9 on Concert Ukulele with clear fretboard diagrams and suggested finger positions.
The E string ring open in the lowest shape, with the remaining notes fretted at fret 1 over a 5-fret stretch. C falls on the G string. It sounds from D#4 up to C5.
It has a scale around 15 inches, a little more room between frets than a soprano.
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.