C aug7b9 Chord on Puerto Rican Cuatro (Antiguo)
Play C aug7b9 on Puerto Rican Cuatro (Antiguo): diagrams, finger positions, intervals, and every voicing up and down the neck for this instrument.
The C aug7b9 chord is an augmented chord with a raised fifth that creates restless, unresolved tension. It is built from the notes C, C#, E, G#, A#. This page shows how to play C aug7b9 on Puerto Rican Cuatro (Antiguo) with clear fretboard diagrams and suggested finger positions.
The lowest shape sits at fret 1 and spans 5 frets, with no open strings in it. C falls on the A string. It sounds from E3 up to A#4.
Puerto Rican Cuatro (Antiguo) is tuned A–D–G–C–F, with 15 frets to work with.
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.