C aug7 Chord on Puerto Rican Cuatro
Play C aug7 on Puerto Rican Cuatro: diagrams, finger positions, intervals, and every voicing up and down the neck for this instrument.
The C aug7 chord is an augmented chord with a raised fifth that creates restless, unresolved tension. It is built from the notes C, E, G#, A#. This page shows how to play C aug7 on Puerto Rican Cuatro 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 2-fret stretch. C falls on the B string. It sounds from E3 up to G#4.
Puerto Rican Cuatro is strung in five courses of two, the lower two paired an octave apart, so each stopped note here sounds as two — which is why the shape rings thicker than the same grip on a single-strung instrument.
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.