Bronx, New York artist 30 Roc has produced hits such as Yo Gotti and Nicki Minaj‘s “Rack It Up,” Gucci Mane, Chris Brown and Akon‘s “Moon Walk,” Migos‘ “MuhFuckin Tired,” Mike WiLL Made-It and Eearz‘ “Emotions Unlocked” and — most recently — Cardi B‘s new single “Bartier Cardi,” which features Platinum-selling artist 21 Savage. 30…