Jimmy Fallon and Adam Levine doing impressions - Great

http://www.today.com/entertainment/jimmy-fallon-adam-levine-bring-sinatra-azalea-more-tonight-1D80123427?cid=sm_t_main_1_20140903_30922936

Fallon fans have long known that he's a master singer sound-alike, thanks to his many spot-on performances as Neil Young and his History of Rap installments with pal Justin Timberlake. But as it turns out, Maroon 5 frontman Levine is an impressive impressionist, too.