Biography:Roberto Sánchez-Ocampo (August 19, 1945 – January 4, 2010), better known by his stage names Sandro or Sandro de América, was an Argentine singer and actor. He is considered a pioneer of Argentine rock for being one of the first rock artists to sing in Spanish in Latin America. He edited 52 official records and sold eight million copies although other sources state that he sold over 22 million. The single "Rosa, Rosa" sold two million copies, being his most recognizable and famous song. Another of his hits, "Tengo" was given 15th place among the 100 best Argentine rock songs by both MTV and Rolling Stone magazine. In Latin America he was often compared to Elvis Presley at the height of his popularity.