Andrew Watt isn’t the most obvious pop-star studio collaborator—the New York native started his career playing in a hard-rock band. But the dark and stormy touches he brought to metal god Ozzy Osbourne’s 2020 album Ordinary Man complement his moody, introspective productions for contemporary hitmakers, such as Lana Del Rey’s languid cover of Sublime’s “Doin’ Time” and Miley Cyrus’ edgy rock reinventions on 2020’s Plastic Hearts.