Lupe Fiasco had a show at the Blue Note in NYC alongside the Robert Glasper Experiment on Saturday night, and Lu brought [twitter=KanyeWest]Kanye West[/twitter] and Mos Def out who dropped some heat on stage. Kanye snapped!

There’s no footage, but we do have the audio via the LupeE.N.D blog.

Download: Lupe Fiasco, Kanye West, Mos Def: Blue Note Cypher

You can head over to All The Way Life for the full 30 minute session.