I was fooling around on my guitar, and came up with an interesting tune. I put it into GarageBand, added trumpet, bass and drums to make this. Sounds like it would be good for a boss fight
NOTE-If you are a programmer, making a game, Ask me, and I will make a full song out of this, so it is not so repetitive.
Please contact me if you would like to use this in a project. We can discuss the details.