A maj9 Chord on Puerto Rican Cuatro (Antiguo)
Play A maj9 on Puerto Rican Cuatro (Antiguo): diagrams, finger positions, intervals, and every voicing up and down the neck for this instrument.
The A maj9 chord is a major extended chord that stacks ninths, elevenths, or thirteenths over a major-seventh foundation for a rich, jazzy color. It is built from the notes A, B, C#, E, G#. This page shows how to play A maj9 on Puerto Rican Cuatro (Antiguo) with clear fretboard diagrams and suggested finger positions.
The shape nearest the nut leaves the A string open and takes the rest at fret 1, reaching across 4 frets. The root is the A string itself. It sounds from E3 up to G#4.
Puerto Rican Cuatro (Antiguo) is tuned A–D–G–C–F, with 15 frets to work with.
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.