Know anything about how to write music? If so, then you've got one up on me.
That said, if you've got an idea of what "cadence" and "flat" and other such terms mean and have always wanted to write Mega Man music, but didn't know where to start, 8-bit Music Theory is here to help! The video's focus is on Mega Man 2, analyzing what makes it sound distinct to that game, but I imagine it's applicable to other stuff, right?
This isn't all 8-bit Music Theory has covered; you can find several other games featured on this still-young channel, including Shovel Knight:
Thanks to MegaTuga for passing this my way!