MUSIC MADE WITH BUTTONS- wtf?

Egadz – Music Made With Buttons 1.0:

httpv://www.youtube.com/watch?v=2P1W3xjUio8

Edison – Music Made With Buttons 2.0:

httpv://www.youtube.com/watch?v=CYv5jqHMe5c

Battery Collection – Music Made With Buttons 3.0:

httpv://www.youtube.com/watch?v=4RDbCifuEns&feature=related

Egadz – Music Made With Buttons 4.0:

httpv://www.youtube.com/watch?v=Hmc2PF9g07Q