Sum 41 was originally called Psalm 41 .
`` Originally called Psalm 41 , the band was formed in 1996 and currently consists of lead vocalist , guitarist and keyboardist Deryck Whibley , guitarist and backing vocalist Dave Baksh , guitarist , keyboardist and backing vocalist Tom Thacker , bassist and backing vocalist Jason `` '' Cone '' '' McCaslin , and drummer Frank Zummo . ''
Sum 41