Alicia Keys + Miguel

What a difference an anthemic, one-of-a-kind song makes; the surging title track of Alicia Keys' standout fifth album, Girl on Fire, is among the singer's greatest moments, and this week Keys plays three huge dates in support of the disc. Arrive promptly to catch heat-seeking soulster Miguel, whose breakthrough album, Kaleidoscope Dream, offers part Latin-tinged hip-hop, part classic soul, part velvety R&B.