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

Justin Timberlake is one of the stars of David Fincher’s The Social Network, which opens on Friday. But you might recall that at one point he had quite the prolific music career. He reminds us of the annoying fact (with a little help from the Roots) that there’s really nothing he can’t do with this trip through hip-hop history on Late Night with Jimmy Fallon.