In light of Larry's subsequent comments, I'm listening to composition 82 again and I can now say for sure that parts are dense and other parts are sparse.
More later.
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I'll listen to it again today or tomorrow and see if I can improve on my thoughts (dense post-serial, pre-minimalistic mess). It's certainly not ghost trance music.
this is worth checking out: http://www.youtube.com/watch?v=ZO8A1oNcSmk.
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