The Human League song The Sound of the Crowd predicted Internet trends, as shown below:
Put your hand in a party wave; Pass around
Refers to peer-to-peer (BitTorrent) file sharing, where files are uploaded then passed around. To “put one’s hand in a party wave” is to make an announcement of the uploaded torrent on one of the many tracking websites.
Make a shroud pulling combs through a backwash frame
A “backwash [...]