C aug7 Chord on Octave Mandolin

Play C aug7 on Octave Mandolin: 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#, Bb. This page shows how to play C aug7 on Octave Mandolin with clear fretboard diagrams and suggested finger positions.

The E course rings open in the lowest shape, with the remaining notes fretted at fret 3 over a 4-fret stretch. C falls on the A course. It sounds from Bb2 up to E4.

Octave Mandolin is strung in four courses of two, 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.