After his concert tonight with Raphael Saadiq at the Chicago Theatre, John Legend is heading over to Vision Nightclub to host an episode of Nightlife Television, a relatively new and impressively ambitious TV and broadband-video show whose mission appears to be to let you know what’s going on everywhere all the time. Of course we know the Reader has Chicago covered already, but that’s no reason not to go catch a glimpse of the sultry John Legend. To get into Vision you need to RSVP for the guest list or text NIGHTLIFE to 88202. DJs 33 & 1/3, KJ, Dino Latino, Wicked Prince, Legacy, and Mark Fullaflava will be spinning throughout the evening, and the fun starts at 10 PM.