Christopher John Cornell was an American musician, best known as the lead vocalist, rhythm guitarist, and the primary lyricist for the rock bands Soundgarden and Audioslave. He also had a solo career and contributed to numerous movie soundtracks. Cornell was the founder and frontman of Temple of the Dog, a one-off tribute band dedicated to his late friend, musician Andrew Wood. Several music journalists, fan polls, and fellow musicians have regarded Cornell as one of the greatest rock singers of all time.