Drawing upon oral history, analysis, and a critical synthesis of secondary literature, this book examines the construction and reception of the ???unofficial??? music in the Soviet Union produced during the Thaw (roughly 1956???74) by composers including Alfred Schnittke, Arvo P??rt, Sofia Gubaidulina, Valentin Silvestrov, Andrey Volkonsky, and Edison Denisov. This book addresses ???unofficial???