C m9 Chord on Mandocello
How to play the C m9 chord on Mandocello: fretboard diagrams, finger positions, the notes that build it, and alternate voicings up the neck.
The C m9 chord is a minor extended chord that stacks higher tensions over a minor-seventh foundation. It is built from the notes C, D, D#, G, A#. This page shows how to play C m9 on Mandocello with clear fretboard diagrams and suggested finger positions.
The shape nearest the nut leaves the C and D strings open and takes the rest at fret 3, reaching across 4 frets. The root is the C string itself. It sounds from C2 up to D#4.
Mandocello 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.