DosBox music sample

Here's some music that I tried to imitate with engine that I wrote in Assembly x86 and launched using DosBox.
DosBox:
www.dosbox.com
Original music:
THE WORLD REVOLVING
tobyfox.bandca...
Super Mario Bros overworld theme
• Super Mario Brothers 1...
Doom: Hell Yeah
• DOOM OST: E1M1-At Doom...