Who composed the music for the video game Megaman?
Several people.
Music in Megaman games (http://www.student.oulu.fi/~vtatila/megaman.html)
(scroll about 3/4 way down)
Also have a look at the NES Authors' List (http://nesdev.parodius.com/authors.htm)
just checked out that site you gave..
Yoko Kanno wrote the music for Genghis Khan by Koei?
The same Yoko Kanno that wrote music for the anime show Cowboy Bebop? fascinating.
Also, I wasn't aware Nobuo Uematsu, the mastermind behind the final fantasy and chrono trigger series, wrote for so many other games as well.
just thought that was interesting, thanks for sharing the site.
-Grim
the old megaman games had a sound composer that usually went by the name "Bunbun" i beleive