In between Robyn’s beginnings as a blue-eyed R&B siren and her later exploits as a synth-pop dance diva, Sweden’s sweetheart turned her attention to a more attitude-laden sound on her self-titled fourth album. Robyn raps her way through several tracks here, bringing a decidedly tougher persona to the fore. With some help from the more pop-centric single “With Every Heartbeat,” the record made her a global success and pointed the way to her next evolutionary leap.