Stephen O'Malley is an American musician and composer known for his work in the experimental and avant-garde music scenes. He is a founding member of the band Sunn O)}, which is recognized for its heavy, drone-based sound. O'Malley's music often explores themes of sound texture and volume, pushing the boundaries of traditional music. In addition to his work with Sunn O)}, O'Malley has collaborated with various artists and projects, contributing to a diverse range of recordings and performances. His influence extends beyond music, as he is also involved in visual arts and has participated in various multimedia installations.