2. "Assuming one has heard his most popular songs..." In response to Reply # 0
1) I Want You (ft. Glodean White) 2) I Can't Leave You Alone 3) Hung Up In Your Love 4) Look At Her 5) Let The Music Play
Other than that, I'd tell one to check out a compilation or something. "It's Ecstasy When You Lay Down Next To Me", "Playing Your Game, Baby", "I'm Gonna Love You Just A Little More Baby", etc... should be covered there.