This entire electronic video game music mix was made by importing MIDI files into Reason 4, and then assigning each track to an instrument, as well as adding additional funk drum loops, etc.
The full high-quality gapless mix can be downloaded on the following page - just click the link that says "VBR ZIP" on the left side of the page:
Vlue's Super Mario Bros. MEGAMIX! (20 Minutes of Mario Breakcore Remixes)
Share with your friends!
My SoundCloud: http://SoundCloud.com/Vlue
My Facebook: https://www.Facebook.com/VlueMusic