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On Jul 22, 2007, at 11:40 AM, Rainer Thelonius Balthasar Straschill wrote: > I don't think it's > possible to set up a "static" system (meaning static EQ etc. > settings) in a > non-static environment (meaning people coming and going and making > unpredictable noises). Just thought might be worth a mention of Alvin Lucier's Empty Vessels: LUCIER: I just composed a work for the Donau Eschingen Festival which was an installed work. I have two different kinds of compositions - I do performance pieces and I do installed works; in the latter I create sounds using equipment or prose directions, and then I organize a performance of the resulting installed piece in a public space, such as a concert hall or an art gallery. The work, which I have just composed for the Donau Eschingen Festival, is called "Empty Vessels." I had eight glass water containers, that I bought at Pierpont Imports which I've used as bases for the composition. I mounted them on a stage in a little space and I put a microphone in each one - all the microphones are rooted through amplifiers to speakers. Then I raised the volume in the amplifier, which creates feedback, in such a way that each strand of feedback corresponds to the size of the empty vessel that the microphone is in. As a result, there are eight separate pitches and the feedback from the microphones, so when you walk into that room, not only do you hear the eight separate pitches, but the presence of your body interferes with the feedback and that moves the sounds around and changes the sounds, distorting them in many different ways. Sometimes it can almost stop the sounds in a vessel. I have just finished that work a few months ago so that is one of my latest compositions. from: http://www.musica-ukrainica.odessa.ua/i-rovner-lucier.html