Sum 41 announce break up: 'Thank you for the last 27 years

Sum 41 fans devastated as band announces break-up after 27 years, TV & Radio, Showbiz & TV

Why Did Sum 41 Break Up? Pop-Punk Canadians Called It Quits

Sum 41 break up after 27 years

Sum 41 to break up after one last album and worldwide tour

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News: SUM 41 Announce Final World Tour & Bid Farewell With Their Last Show Ever - SCENE IN THE DARK

Sum 41 Split After 27 Years, Announce Farewell Tour and Album

Sum 41 announces it's breaking up: 'Thank you for the last 27 years'

BREAKING: Sum 41 Announce Breakup, Reveal Final Album - Music Mayhem Magazine

Sum 41 - Wikipedia

Sum 41 to Break Up After 27 Years - American Songwriter