Swizz Beatz, the Bronx-bred superproducer turned art collector, and Rema, the upstart Nigerian artist who’s become a global superstar, are sitting in one of the larger rooms at the Record Plant in Hollywood. This is the type of place where Swizz, 45, has worked since he was a teenager, and into which the 23-year-old Rema has scarcely ventured. Right now, though, the topic isn’t music — it’s the custom chain around Rema’s neck, a piece inspired by the artwork for his 2022 debut album, Rave & Roses. “It’s one of the…
