Who is the composer of the studio album "on the rock" and a Grammy award winner?
On the Rock On the Rock is the 20th studio album by Argentine singer-songwriter Andrés Calamaro, released on June 1, 2010.
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).