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[the_bertrum]

I meant that it's not a job that you have to start from scratch, but it certainly wouldn't take a few days or weeks.

Swapping the underlying OS on which an application runs is almost the definition of starting from scratch.
Consider that moOde uses MPD to actually play the music (for the most part). MPD is "Music Player Daemon", a piece of software that doesn't exist on Windows, where such things as Daemons don't exist.