Vic Mensa slipped some unreleased material into a DJ set this week: his second collaboration with Kanye West. We previously heard the two link up on Kanye’s “Wolves,” and an attendee at Vic’s latest set has uploaded video of Ye’s verse off “U Mad,” a track they performed in London last month.

The song is reportedly produced by Vic’s SAVEMONEY cohort Smoko Ono, though there’s definitely some Kanye influence to the sound. It’s a menacing, bass-heavy beat, featuring some classically aggressive lines from Ye: “There go another lawsuit / In court so much, man, I should’ve gone to law school / Everybody brawlin’, it was all cool / ‘Til I hit the bartender with the barstool.”