What does the old dial up modem handshake look like? This spectrogram by Scotty H displays an orchestra of pots and pans moving about and the phone line running that was connecting to the Internet with a dial up modem.

Weirdly beautiful.

[http://www.youtube.com/watch?v=vvr9AMWEU-c" onclick="window.open(this.href);return false;">Youtube]