Lil Uzi Vert’s “XO TOUR Llif3” is one of the biggest songs of the year. Over production from JW Lucas and TM88, Uzi Vert rages about relationship troubles with his ex-girlfriend, Brittany Byrd, among other things.

For Genius’ latest episode of DECONSTRUCTED TM88 sat down with Rob Markman to show them how he made the beat for Uzi’s “XO TOUR Llif3,” and to our surprise, it turns out he actually sampled himself and reworked an old beat that he never used.

Check out the video clip below or head over to Genius for the full interview.