A# m(maj9) Chord on Puerto Rican Cuatro
Play A# m(maj9) on Puerto Rican Cuatro: 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#, C, C#, F, A. This page shows how to play A# m(maj9) on Puerto Rican Cuatro with clear fretboard diagrams and suggested finger positions.
The A string ring open in the lowest shape, with the remaining notes fretted at fret 6 over a 5-fret stretch. A# falls on the E string. It sounds from A3 up to C#5.
Puerto Rican Cuatro is strung in five courses of two, the lower two paired an octave apart, 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.