Guitar Hero NES

I saw some guy on the Guitar Hero message board post a picture he did of an NES Guitar Hero. It looked more like an Atari version to me, so I made one of my own. I used the Star Tropics style, in case anyone's interested in knowing.
This is a screenshot of two-player mode. This one was so difficult for me to do, so I don't think I'll make a Single-Player Story Mode version anytime soon. Bleh.