Threnody for the Victims of Hiroshima; Polymorphia / Greenwood: Popcorn Superhet Receiver; 48 Responses. [New York]:Nonesuch B00722ZH5W, 2012. Compact disc. See also List of musical pieces which use extended techniques References External links Krzysztof Penderecki interview by Bruce Duffie (March 2000) 1961 compositions Compositions by Krzysztof Penderecki Compositions that use extended techniques