An entertaining rap, stellar beatboxing, and our first real glimpse of season 8 American Idol winner Kris Allen: The foursome's performance (arguably the best group number ever seen during Hollywood Week) went down so smooth, it's no wonder they called themselves White Chocolate. Kate Ward
For some, it was the first (and last) time we saw them, but these thrown-together units -- White Chocolate, Broke Note Cowboys, Destiny's Wild vs. Neopolitan -- left a lasting impression