Fans React to Sum 41 Break Up Announcement

It's a sad day for their fans.

Sum 41 Announces Final Tour Dates and Last-Ever Show Ahead of Their Separation

Machine Kelly narrowly avoids fist fight with fan that approached him on stage

SUM 41 announce breakup

Sum 41

Does Rock 'N' Roll Kill Braincells?! – Deryck Whibley, Sum 41

Sum 41 - Wikipedia

Sum 41 split: Rock band announces final album and tour

Sum 41 Announce That They Are Breaking Up

Fans React to Sum 41 Break Up Announcement

Sum 41

Sum 41's Deryck Whibley + Wife Ari Open Up on Mental Health

Sum 41 Announces Final Tour Dates and Last-Ever Show Ahead of Their Separation

Sum 41 return with ferocious new single 'Landmines