What is Sum 41?
{{Infobox musical artist | name = Sum 41 | background = group_or_band | image = Sum 41 - 2017154162507 2017-06-03 Rock am Ring - Sven - 5DS R - 0144 - 5DSR0212 (cropped).jpg | image_size = | landscape = Yes | caption = Sum 41 at [[Rock am Ring]] 2017. from left to right: Drummer [[Frank Zummo]], singer [[Deryck Whibley]], bassist [[Jason McCaslin]], guitarist [[Dave Baksh]]. Guitarist [[Tom Thacker (musician)|Tom Thacker]] is out of frame. | alias = Kaspir (1996) | origin = [[Ajax, Ontario]], Canada | genre = {{flatlist| * [[Punk rock]] * [[pop punk]] * [[skate punk]] * [[alternative rock]] * [[alternative metal]] * [[melodic hardcore]] }} | years_active = 1996–present | label = {{flatlist| * [[Island Records|Island]] * [[Aquarius Records (Canada)|Aquarius]] * [[Hopeless Records|Hopeless]] }} | website = {{URL|sum41.com}} | current_members = * [[Deryck Whibley]] * [[Dave Baksh]] * [[Jason McCaslin]] * [[Tom Thacker (musician)|Tom Thacker]] * [[Frank Zummo]] | past_members = * [[Steve Jocz]] * Jon Marshall * Richard Roy }} '''Sum 41''' (sometimes called '''The Sums''', originally called '''Kaspir''') is a Canadian [[rock punk]] band from [[Ajax, Ontario]].<ref>{{cite news | title=Juno Awards 2003 | url=http://ottawastart.com/juno.php | accessdate=2008-08-17 | archive-date=2009-12-13 | archive-url=https://web.archive.org/web/20091213131231/http://ottawastart.com/juno.php | url-status=dead }}</ref> The people currently in the band are [[Deryck Whibley]] ([[singer|lead vocals]], [[guitar]], [[keyboard instrument|keyboards]]), [[Cone McCaslin]] ([[bass guitar]], [[backing vocalist|backing vocals]]), and [[Steve Jocz]] ([[drum kit|drums]], [[percussion instrument|percussion]], and backing vocals). The band's most known lineup is the same, except with [[Dave Baksh]] on [[lead guitar]] and backing vocals. In 1999, the band signed a record deal with [[Island Records]]. Since then, the band has released four [[studio album]]s. Their most successful album to date is ''[[All Killer, No Filler]].''<ref>{{cite magazine | fi