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about this song
The idea of the piece that a single sound is subjected to a series of transformations. (Sources dispute whether the original sound is a pure, electronically generated sound or a note blown on the flute by Severino Gazzelloni.) The sound is taken through twenty-two different stages of change, linked together on tape. Each new stage adds a minute bit of change or elaboration to the basic sound, so that the piece at some level becomes about sound itself.