Sunny Murray (born September 21, 1936) is an American free jazz drummer and a pioneer of avant-garde percussion. He revolutionized drumming by breaking traditional rhythmic structures, emphasizing collective improvisation and sound flow. A key figure in the 1960s free jazz movement, he collaborated with Cecil Taylor and Albert Ayler, recording seminal albums like 'Unit Structures' and 'Spiritual Unity.' His style features asymmetrical rhythms, dynamic shifts, and timbral exploration, influencing jazz, experimental music, and beyond. Murray's career spanned decades, with numerous recordings and performances that expanded musical boundaries.