hi, just find this track on "tellus" compilation...
http://www.ubu.com/sound/tellus_1.html
never heard it, so i guess i'm not the only one...
it's in the same kind that the "audience" track on the sub rosa comp.
if you dig noise/experimental/arty stuff, visit this site, there are some good shits...
http://www.ubu.com/sound/