Awesome Track Played on a Gameboy [VIDEO]

There is an entire genre out there for music made using a Gameboy, and I like it pretty well, but I understand that shrill lo-fi squealing machines aren't for everyone. This video has nothing that would fall into that category. It's a pretty cool track made mostly by using the Gameboy as a percussive instrument in some pretty creative ways. The only sound that actually involves the Gameboy being on is the hum of a headphone jack being partially plugged in. So, what did people like this before they had YouTube to show off their excessive amounts of free time?