Known by his stage name of mura masa, Alex Crossan is a Grammy-winning producer, songwriter, and multi-instrumentalist whose music encompasses a wide variety of pop, dance, and hip-hop styles. Since releasing his debut mixtape in 2014, he’s moved from producing remixes and instrumentals to working with a wide variety of vocalists, including A$AP Rocky (on the 2016 viral hit “Love$ick”) and Charli XCX, in addition to producing and co-writing songs for Ariana Grande, Stormzy, Chic, and many others.