Matt Schwartz is a Grammy Award-winning producer and songwriter, splitting time between London, and LA. In 2026, he won the Grammy Award for Best Rock Performance for producing and mixing YUNGBLUD’s live cover of Black Sabbath’s “Changes,” and received additional nominations that year for Best Rock Song and Best Rock Album. Schwartz has written and produced for global artists including Aerosmith, The Smashing Pumpkins, Massive Attack, Selah Sue, Avicii, Kylie Minogue, and many others. He is a long-term collaborator of YUNGBLUD, serving as primary producer on the Grammy-nominated fourth studio album Idols, preceded by the singles “Hello Heaven, Hello,” “Lovesick Lullaby,” and “Zombie.”