A m(maj9) Chord on Octave Mandolin

Play A m(maj9) on Octave Mandolin: diagrams, finger positions, intervals, and every voicing up and down the neck for this instrument.

The A m(maj9) chord is a minor/major extended chord pairing a minor third with a natural seventh and upper tensions. It is built from the notes A, B, C, E, G#. This page shows how to play A m(maj9) on Octave Mandolin with clear fretboard diagrams and suggested finger positions.

The shape nearest the nut leaves the A course open and takes the rest at fret 5, reaching across 3 frets. The root is the A course itself. It sounds from C3 up to B4.

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 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.