By hand or computer program?

either way, this is an amazing piece. if you're trying to get people to check out more of your music, you have my attention xD

Thank you for making this.

Honestly, this is the best remix I've heard of this song on Newgrounds. No one else is brave enough to try it.

Brilliant!

This is amazing!

wow!

very nice job, lots of people mess up songs by making it piano
you pulled it off!!!

Damn

Nice Job man! Really.