9. Paramore, 'Riot!' (2007)
Though the majority of pop-punk fans are female (51 percent of Warped Tour attendees are women), the genre has always been a whiney boy's world, a scene often preoccupied with villainizing an unrequited crush. But the emergence of Paramore helped tip the scales: Frontwoman Hayley Williams' four-octave soprano pushed the boundaries of what a pop-punk performance could sound like. Similarly, lead single "Misery Business," a boyfriend-stealing anthem of arena-size proportions, flipped the genre's gender script on its head. Riot! remains a touchstone of its time, not just because it brought a much-needed new feminine energy to pop-punk, but because its songs were simply better than most of what Paramore's contemporaries were churning out – and just as bitter. "There was an excitement around it that we knew was different from anything we'd experienced up until then," Williams told Track 7 of Riot!, "It was a lightning in a bottle moment in time." M.S.