A# add9 Chord on Mandola

How to play the A# add9 chord on Mandola: fretboard diagrams, finger positions, the notes that build it, and alternate voicings up the neck.

The A# 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 A#, C, D, F. This page shows how to play A# add9 on Mandola with clear fretboard diagrams and suggested finger positions.

The C and D strings ring open in the lowest shape, with the remaining notes fretted at fret 1 over a 3-fret stretch. A# falls on the G string. It sounds from C3 up to A#4.

Mandola 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 A# 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.