F# add9 Chord on Mandocello
How to play the F# add9 chord on Mandocello: fretboard diagrams, finger positions, the notes that build it, and alternate voicings up the neck.
The F# 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 F#, G#, A#, C#. This page shows how to play F# add9 on Mandocello with clear fretboard diagrams and suggested finger positions.
The lowest shape sits at fret 8 and spans 4 frets, with no open strings in it. F# falls on the G string. It sounds from G#2 up to F#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 F# 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.