C add9 Chord on Mandocello
How to play the C add9 chord on Mandocello: fretboard diagrams, finger positions, the notes that build it, and alternate voicings up the neck.
The C add9 chord is an added-ninth chord that layers in a ninth without the seventh for an open, modern sound. It is built from the notes C, D, E, G. This page shows how to play C add9 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 5, reaching across 3 frets. The root is the C string itself. It sounds from C2 up to E4.
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.