Original sentence: "   According to Schaff, Audium is periodically visited by members of Walt Disney Imagineering, the R & D arm of the Walt Disney Company.Audium is a creation of composer Stan Shaff that is exhibited on equipment originally designed by he and Doug McEachern.Audium is a unique sound art phenomenon that has been presented weekly in San Francisco since 1975.Early presentations were done at San Francisco State College, San Francisco Museum of Art and University of California Extension.It is performed in a completely dark theater designed to heighten the effects of sound and for "choreographing sound in space.Schaff was also associated with the Tape Music Center in San Francisco.Shaff has done very little advertising and the performances are "little known outside the San Francisco Bay area.The presentation is "sculpted" from pre-recorded sounds, a combination of sounds recorded from life and synthesized sounds
Edited sentence: "   According to Shaff, Audium is periodically visited by members of Walt Disney Imagineering, the R & D arm of the Walt Disney Company, engineers from Dolby Laboratories, sound engineers from the film industry, the Audio Engineering Society, and composers from international universities."  Compositions are developed from acoustic and electronic instruments and from sounds of the natural world used as metaphors.Audium has pioneered the language of space in music for over 40 years, as progressively complex compositions evolved jointly with originally-designed performance equipment.Audium is a creation of composer Stan Shaff that is performed on original equipment designed by Doug McEachern.Audium is a unique sound art phenomenon that has been presented weekly in San Francisco since 1967.Early presentations were done at University of California Extension (1960), San Francisco State College (1962)and San Francisco Museum of Art (1963,1964).It is played in a completely dark theater designed to heighten the spatial effects of sound and for "choreographing sound in space.Its three major concerns have been development and exploration of space as a language of music composition, live performance in a space uniquely-designed for spatial composition, and the role of the environment in the totality of the work.Shaff has done very little advertising, but after ongoing programs since 1967, Audium now attracts weekly listeners from around the world.Shaff was also associated with the Tape Music Center in San Francisco.Works are "sculpted" in space through 176 speakers