Watch 21 Savage and Childish Gambino perform together at Lollapalooza

21 Savage and Childish Gambino — aka Donald Glover — linked up at Lollapalooza over the weekend to perform their 2018 collab “Monster,” as Pitchfork points out. A song from 21 Savage’s I Am > I Was. Glover appeared to be incapacitated during the performance, wearing a neck brace and an arm sling. Watch video of the performance below, via Lollapalooza.

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