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''Credo in Us'' is a musical composition by the American experimental music composer, writer and visual artist John Cage. It was written in July 1942 and revised in October of that year. In the wake of Pearl Harbor, this piece avoided the populist tendencies of fellow American composers at the time, while the piece's title is thought to be a call to collective unity. Styled as "a dramatic playlet for Two Characters", Cage described ''Credo in Us'' as "a suite with a satirical character". It was composed to accompany a piece of contemporary dance choreographed by his partner and collaborator Merce Cunningham〔 and choreographer Jean Erdman, who performed the piece at its premiere in Bennington College, Vermont on August 1, 1942. ==Instrumentation== One of a number of Cage's percussive works, ''Credo in Us'' is unusual in using sound samples from recordings of other works, fragments of radio broadcast, popular music, tin cans and tom toms. The instrumentation for the original performance included four performers: a pianist; two percussionists playing muted gongs, tin cans, electric buzzer and tom-toms; and a fourth performer operating a radio and a phonograph. For the phonograph, Cage suggests using something "classic" such as Dvořák, Beethoven, Sibelius or Shostakovich; and for the radio, to use any station but avoid news programs in the case of a "national emergency". Jean Erdman recalls that for the first performance a 'tack-piano' was used—one of Cage's prepared pianos, though the pianist is also called upon to play the soundbox of the instrument as a percussionist. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Credo in Us」の詳細全文を読む スポンサード リンク
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