You probably haven't paid much attention to Sum 41 since their 2001 bubblegum punk hit "Fat Lip." Keep doing that. On subsequent discs, frontman Deryck Whibley has aspired to depth outside his skill set. 2004's Chuck was inspired by war in the Congo; the band's newest seems touched by a lesser holocaust, Whibley's 2010 divorce from Avril Lavigne. "Take the pictures off the wall/Erase the thoughts, forget them all," he sings. Whibley cleans out his soul closet over operatic hard rock, rain-swept balladry and bad Green Day opera punk - often crammed into the same song. If he's trying to show breakups are arduous, it worked.

Listen to "Screaming Bloody Murder:"

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“Help Me”

Joni Mitchell wrote and recorded this song for her album Court and Spark, but she had to switch from her regular band to make the song sound exactly the way she wanted. "I had attempted to play my music with rock & roll players," she told Rolling Stone. "They’d laugh, 'Awww, isn't that cute? She's trying to teach us how to play.'" Mitchell switched to a jazz band, Tom Scott’s L.A. Express, and scored the biggest hit of her career in the process.