On this supremely pleasurable, ultraplush track, the sure-shot producer and R&B balladeer solemnly but not quite seriously compares an ex to a famously cheap, easily available assault rifle. Even R. Kelly wouldn't go there. But The-Dream has an absurdly seductive style all his own.

Listen to "AK47":

“Youth Knows No Pain”

“Like on 'Youth Knows No Pain' — we are the ones that should demonstrate, because we can take it,” Likke Li said. “We can pierce ourselves, take Ecstasy, dance all night and still go to work at our McDonald's jobs.” Despite the hedonistic sentiment in the song, the Swedish singer also admitted in hindsight her youth had repercussions. “I remember when I was 18-19 and feeling that I know it all,” Li said. “I always feel that I know it all. But that song is about realizing you don’t, and reflecting, ‘Boy, if I only knew what would follow.’”