Flavorwire

Last night’s episode of Late Night was devoted to 30 Rock, with Jimmy Fallon hosting Tina Fey, Tracy Morgan, Alec Baldwin, Jane Krakowski, and Jack McBrayer for a full hour of reminiscences. The whole thing is, of course, required viewing — but if you watch just one clip, let it be this magical moment in which Morgan serenades his co-stars with Boyz II Men’s “It’s So Hard to Say Goodbye to Yesterday.” [via Cinema Blend]