Kendrick Lamar has a lot going on right now, but you’d never know it. Backstage in Duluth, Georgia, a few hours before his latest sold-out arena show, he’s radiating unearthly levels of clear-eyed serenity from his perch on a dressing-room couch. He’s wearing a peach sweatsuit and white Nikes, and carrying a plastic cup of green juice – “a little kale, apple, spinach. Shit good.” The fuel must work: He has a Number One pop hit with “HUMBLE.,” an elaborate video with Rihanna about to drop, a couple of dozen tour dates left to go.

Keep reading here to find out what Lamar says about his studio habits(he’s obsessive), what he’s learned from U2’s Bono and more.