This is a manga series that was called 'The legend of the dragon kings' and it was called 'The legend of the 4 kings' in western markets.
I know there was a soundtrack made but I dont have a track listing, sorry.
heres some links about it from wiki and a fan site, thanks in advance..

http://en.wikipedia.org/wiki/Sohryuden:_Legend_of_the_Dragon_Kings
http://www.geocities.com/katko_soryuden/main.html

can't find it

Thanks for looking anyway.

Check this thread here: Thread 41731