Sum 41 is a Juno Award-Winning Canadian Punk Rock band from Ajax, Ontario. The current members are Deryck Whibley (lead vocals, guitar, keyboard/piano), Cone McCaslin (bass/vocals), and Steve Jocz (drums/vocals).
Since signing an international record deal with Island Records in 1999, the band has released five studio albums, two live CDs, two live DVDs, over ten singles and sold millions of copies worldwide. As of 2006 the band performed more than 600 times and have become famous for their world tours that often last for more than a year.