Alicia Keys' "Teenage Love Affair" was one of my favorite songs last year. The lyrics are pretty run-of-the-mill but the backing track really carried this tune to soulful sublimeness. Now, if only someone can track down Ghostface to get vintage on this... The LL Cool J remix was meh.
Alicia Keys: "Teenage Love Affair (Instrumental)"
Her David Letterman performance some time back.