 Complete the following phrase:  Born in Santander, he was the author of Eres tú, which, performed by Mocedades, came second in the Eurovision Song Contest 1973. It was an important hit in several countries, including the United States. He wrote another three Eurovision entries: Tú volverás by Sergio y Estíbaliz in 1975, La fiesta terminó by Paloma San Basilio in 1985, and Nacida para amar by Nina in 