C7+5 chord
C augmented seventh
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Play C7+5 on ukulele at frets 1-0-0-1 in gCEA tuning.
The C7+5 chord has the formula 1, 3, #5, b7 with notes C, E, G#, A#
The augmented seventh chord is primarily used in jazz. It can be used under melodies and improvisation in a whole tone scale.