B 7add13 Chord on Puerto Rican Cuatro
Play B 7add13 on Puerto Rican Cuatro: diagrams, finger positions, intervals, and every voicing up and down the neck for this instrument.
The B 7add13 chord is an extended or altered dominant that stacks ninths, elevenths, thirteenths, or chromatic tensions over a dominant-seventh core. It is built from the notes B, D#, F#, G#, A. This page shows how to play B 7add13 on Puerto Rican Cuatro with clear fretboard diagrams and suggested finger positions.
The shape nearest the nut leaves the B and A strings open and takes the rest at fret 1, reaching across 4 frets. The root is the B string itself. It sounds from G#3 up to B4.
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 B 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.