Pablo Beltrán Ruiz was a Mexican composer and bandleader, most famous for having composed, together with Mexican singer Luis Demetrio, the Spanish-language 1953 pop standard "¿Quién será?", whose English version is known as "Sway": it had its lyrics written by Norman Gimbel, and was an international hit by Dean Martin in 1954, and by Bobby Rydell in 1960. Read More