Sum 41 is a Canadian rock band from Ajax, Ontario, Canada. The band was formed in 1996 and as of 2015 consists of members Deryck Whibley (lead vocals, rhythm guitar), Cone McCaslin (bass guitar, vocals), Tom Thacker (lead guitar, vocals), Frank Zummo (drums, percussion, vocals), and the recent return of Dave Baksh (lead guitar, vocals). In April 2013, former drummer Steve Jocz ... Show More