sentences:  Their researches will make the space itself an instrument for the contemporary composer.The register of this work made in collaboration with the physicist, Manuel Eguía, has been produced in the "University of Quilmes", Argentina, and the first international publication is in Germany in 2007.Edelstein has been invited to many important institutions to give masterclasses and lectures based on his theories of composition and concept of "Acoustic Theatre", namely in "Manhattan School of Music", and "Columbia University" (USA); "Royal College of Music", "Guildhall School of Music", "University of Central England", "Royal Northern College of Music and Drama", and the "University of Wales – Aberystwyth" (UK); and the "University of Music and Performing Art"s (Vienna) amongst others.