pieces for loudspeakers. no live performers. no score. no theater. nothing to look at. present is only the sound projectionist, who ideally is as invisible as possible. he/she does not replace the performer. he/she is a translator, an interpreter, translating the pre-existing audio material into an experience in a unique architectural space. he/she is an artist as operator, or technician, somebody pierre schaeffer would have been proud of. related to concrète approaches for composing and organizing sound.