BuffetR. Kelly's follow-up to 2013's Black Panties, is due November 20. And what better way to get people pumped than throwing Lil Wayne on a lead-up cut?

And hey, let's get the 28-year-old, definitely Kellz-influenced Jeremih on there, too. Old school smooth + new school smooth + still-very-on-point Wayne = "Switch Up."

Jeremih and R. Kelly work together as seamlessly as you'd guess. Weezy doesn't show up till the final third, and it's mostly a by-the-numbers Tunechi sex-talk verse. It definitely feels like a nod to Drake's "Back to Back" on the "hit her with the pre-nup" line.

And not to make everything about Future all the time, but "Switch Up" for sure owes the Dirty Sprite dude a debt, just across the board.