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George Lewis, improvisor with trombone, composer, wrote the software for Voyager between 1985 and 1987.
In performance, the software, running on a portable computer, 'listened' via a microphone to Lewis' trombone improvisation, came to quick conclusions about what Lewis had played, then generated a response that seemed to make appropriate decisions about melody, harmony, orchestration, ornamentation, rhythm, and silence. In Lewis' words, "The idea is to get the machine to pay attention to the performer as it composes."
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Left: George Lewis, ca. 1993. Photo by Joel Chadabe.
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