In honor of Robert Moog's 78th birthday Google has a HTML5 virtual analog Moog synthesizer which is not only playable, but they also provide a 4 track recorder and a share link for your composition.

Play My Moog Google Doodle

I had access to an ARP 2500 analog synth and a digital Synclavier in college; the ARP studio had 4 track recorders and quadrophonic sound. I found an old cassette of my compositions.

I posted some of my tapes on SoundCloud