Weezer staked their early reputation on quirky, fuzzed-out pop—and while their albums still reliably delve into irreverence, time has proven Rivers Cuomo & co. to be rather earnest '80s-music acolytes. Aggressive hard-rock guitars, synth-buzzed power pop, and faithful New Wave covers—including exuberant takes on a-ha and Tears for Fears classics—are crucial parts of the band's arsenal.