Mocedades is a Spanish singing group formed in 1969 and still active in 2025. In 1969 they sent a demo tape to famous composer Juan Carlos Calderon who was immediately interested in taking the group under his wing and gave them the name "Mocedades" (which means "youth" in Spanish). The group skyrocketed to fame when they represented Spain in the 1973 Eurovision Song Festival with the song "Eres tu" composed for them by J.C. Calderon. They finished in second place but the following year the song ...