This is an add-on package intended for user of “The Ur-Quan Masters”, ported by Senor Quack.
It contains many great modern remixed versions of most in-game music, in OGG format. You must first download and install the latest UQM2X, found here: http://archive.gp2x.de/cgi-bin/cfiles.cgi?0,0,0,0,29,2390