Simplify the following text for a Grade 7 native English-speaking person.
Original: Deryck Jason Whibley ( born March 21 , 1980 ) is a Canadian musician and producer , best known for his work as the guitarist , lead vocalist , songwriter and producer of the Juno Award-winning rock band Sum 41 .
Simplified: Deryck Whibley ( born March 21 , 1980 ) is a Canadian singer and musician from the band Sum 41 .