Cave Story only has two OCRemix entries, not enough to warrant marathon status, so I made a mini-marathon by merging the two. Eleven minutes long, the marathon includes Moon Rhapsody by DrumUltimA and Escape Route by Corran.
Link (MP3 Only):
http://www.mediafire.com/?mjvtymynwmjIf you like it, don't forget to look at my other Creative Commons marathons, at this thread.
http://www.audio-surf.com/forum/index.php/topic,2519.0.html