Edgard Varese

An early pioneer \ composer in experimental electronic sound. Here is a vid set to Hearts of Age from 1934. Meaning of the video? I've an idea, but will watch it again...

http://www.youtube.com/watch?v=8p3GN9Pw0QM&feature=youtube_gdata_player

check out some other works on yt. Whataya think? Here some Broadcast in there ? Yes, these sounds are not owned. Several composers have happened on the same effects. Can you expand on this?

info:
http://en.m.wikipedia.org/wiki/Edgard_Var%C3%A8se