Key & Peele and 2 Chainz perform ‘Don’t You Worry Child’ With a saxophone-toting 2 Chainz making a cameo, the rapper joins Key and Peele to sing lead on their heartfelt rendition of Swedish House Mafia's "Don't You Worry Child" Related Posts: Elon Musk’s Boring Company teases ‘tunnel rave’ in celebration of Las Vegas Loop completion Insomniac to host special livestream i_o tribute