Here's some Luigi Russolo, it's the best I can do for now;
http://www.ubu.com/sound/russolo_l.html
http://www.ubu.com/sound/dada.html
http://www.thereminvox.com/filemanager/list/12/
Also if you can buy these CDs, there's a modern performance of one of his noise pieces, amongst other early futurist and industrial compositions;
http://www.ltmpub.freeserve.co.uk/futcat.html