One of the most successful U.K. metal acts of the new millennium, Welsh quartet Bullet for My Valentine take cues from '80s metal bands and punk-infused metal to make melodic, metallic, dark rock songs. Employing a sinister blend of caustic riffage and full-throttle drums, the band's pop sensibilities brought them to the mainstream via career-changing albums like The Poison (2005), Fever (2010), and Temper Temper (2013), and chart-topping singles "Scream Aim Fire," "Your Betrayal," and "All These Things I Hate (Revolve Around Me)," making them the one the biggest U.K. metal ou...