The last post in this thread is over 60 days old. Posting in this thread will be considered a bump, so please make an attempt to be courteous if you go ahead with it.
If the last post is over 6 months old, it may instead be a better idea to start a new topic. If you aren't sure about what to do, feel free to ask a staff member for help, or try to locate a 'general questions'-type thread if it exists in this (sub-)forum.
There is one thing you can do if you have access to a Mac. The MacOS X version of Cave Story (and any other MacOS X program for that matter) is actually a UNIX directory with a ".app" extension. By looking through that in the Terminal, you can find the data files - including the Orgs - and copy them elsewhere.
By the way, I would've already put them on the uploader, but I figured that they were deliberately hidden from players. It wouldn't be acceptable to provide the soundtrack in an editable form without the creator's permission, would it?