Mega Man 6 has a pretty solid soundtrack if you ask me. It may not be MM2 or MM3 levels of quality, but it’s still damn good. Remixer Vurez seems to agree, as he has remixed all eight Robot Master tracks for a project called “International Contenders”. He took each song and gave it an international flavor worthy of its theme, including this lovely mix of Centaur Man’s stage, “Odyssey Beyond the Falls”.
I didn’t care much for Blizzard Man and Plant Man’s redos that much, but the rest are very well done indeed. Here’s his site, which has all of the MM6 mixes plus a plethora of other songs: http://www.vurez.com