Who is the composer of the studio album "on the rock" and a Grammy award winner?
Andrés Calamaro Andrés Calamaro (Andrés Calamaro Masel, August 22, 1961), is an Argentine musician, composer and Latin Grammy winner. His former band "Los Rodríguez" was a major success in Spain in the 1990s. He is multi-instrumentalist and he became one of the main icons of the Argentine rock and has sold over 1.3 million copies.
Five for Fighting Vladimir John Ondrasik III (born January 7, 1965), known by his stage name Five for Fighting, is an American singer, songwriter and record producer. He is best known for his piano-based rock, such as the top 40 hits, "Superman (It's Not Easy)" (2001), "100 Years" (2003) and "The Riddle" (2006).