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 o ...