• • • Website Joshua Winslow Groban (born February 27, 1981) is an American singer, songwriter, actor, and record producer. His first four solo albums have been certified, and he was charted in 2007 as the number-one best selling artist in the United States, with over 22.3 million records. As of 2012, he had sold over 25 million records worldwide. Groban originally studied acting, but moved to singing as his voice developed. Groban attended the, a free public school on the campus of, where students receive a conservatory-style education. Called Groban to stand in for an ailing to rehearse a duet, ', with at the rehearsal for the 1998. Immediately invited him to appear on her talk show.