So this is pretty dope, there's this emcee named Random who recorded a whole album of hip-hop songs using beats made with samples from various 8-bit Mega Man games w/ Mega Man themed lyrics... I shit you not.
http://www.youtube.com/watch?v=DFsJZwlZ6ag - Shadowman (OFFICIAL VIDEO)
http://www.youtube.com/watch?v=TzTypWX-BzM - Bubbleman
http://www.youtube.com/watch?v=Xo6XUDj7QEA - Grow Up*
* a personal fav.
Enjoy!
http://www.megaupload.com/?d=Z0SR1PK2