Puerto Rico’s pandereta is the defining instrument of plena — a tradition born in the working-class neighborhoods of Ponce around 1900, descended in spirit from the older Afro-Puerto Rican bomba tradition. Where bomba is built around barrel drums (the barriles), plena’s portable panderetas made it a genuinely street-level music, equally at home in a parlor, a protest march, or a Christmas-season gathering. Plena earned the nickname “el periódico cantado” — the sung newspaper — for its habit of setting local news, gossip, and social commentary to song. See the Pandereta (Bomba y Plena) page below.