Mary Jane Leach is an American composer and sound artist known for her innovative contributions to contemporary music, particularly in the realms of experimental and avant-garde sound. She often explores the concept of sound through voice and instrumentation, creating a unique blend of styles that challenge traditional music boundaries. Leach's work has been performed in various prestigious venues and festivals, reflecting her impact on the modern music scene. Her compositions often incorporate elements of improvisation and are characterized by a deep exploration of sonic textures.