Lucier (1931) is an American avant-garde composer, specializing in experimental music and sound installations that explore acoustic phenomena and auditory perception. I am sitting in a room from 1990 pushes the definition of music to its limits, but is hauntingly fascinating. A speaker reads a text that explains the procedure which involves recording the speech and then playing it back dozens of times in the same room. It is re-recorded each time, causing the resonances of the room to gradually take over from the spoken words. Relevant links below.