Afternoon Delight is a daily diversion for when you’re just back from lunch, but not quite ready to get back to work. Check back tomorrow at 1 p.m. for another one.

The last time Justin Timberlake stopped by Late Night with Jimmy Fallon, he and the host performed A History of Rap. Well, Justin’s got a new movie to promote, so you know what that means: A History of Rap – Part II.