Titlescreen music of R-Type
http://www.youtube.com/watch?v=j-oaEGd2ups

Everything from the Great Giana Sisters
http://www.youtube.com/watch?v=EQgk9CHO0mk

The main theme
http://www.youtube.com/watch?v=QkODME38dng

And that game over high score theme is just OUTSTANDING!
http://www.youtube.com/watch?v=7ZgIH...eature=related

That's all I can think of at the moment. I'll post more later.