Eduardo José Cabra Martínez (born September 10, 1979, in Santurce, San Juan, Puerto Rico),[1] better known by his stage name "Visitante Calle 13", "Visitante", or more recently, "Cabra"[2] is a Puerto Rican producer, musician, composer, and multi-instrumentalist. He rose to fame due to the Puerto Rican band Calle 13, which he co-founded with his step brother René Pérez Joglar ("Residente").[3]