(Click on images to enlarge)
URBAN SURF KINGS MUSIC:
METROID MUSIC:
Note: If it interests you, you can look at some of my Math Posts, such as the parameterizations, the complex plane transformations, the spirals, etc to see some of the infinitely many possible patterns that could be generated with point oscilloscopic displacements and stuff (if you understand what I'm talking about then you should think it all very cool, but odds are you probably won't understand all the mathematical beauty behind it, however it is of some use to watch the iTunes visualizer without any music playing, if you have one, to understand where all the musical vibration induced zigzags come from and such).
Update 4/14/2011 - Turn Your iDevice into an Oscilloscope