C m6/9 Chord on Octave Mandolin
How to play the C m6/9 chord on Octave Mandolin: fretboard diagrams, finger positions, the notes that build it, and alternate voicings up the neck.
The C m6/9 chord is a minor sixth chord with a bittersweet, jazzy character. It is built from the notes C, D, D#, G, A. This page shows how to play C m6/9 on Octave Mandolin with clear fretboard diagrams and suggested finger positions.
The shape nearest the nut leaves the D string open and takes the rest at fret 5, reaching across 2 frets. C falls on the G string. It sounds from C3 up to A4.
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.