oxm files are widely used in games as it is free to use. Is is FastTracker
modules with Vorbis encoded samples.

The modules in this dir are from games at http://www.emotionrays.com

The SDK is available at http://fmod.org/

FMOD is a cross platform audio library and toolset to let you
easily implement the latest audio technologies into your title.

FMOD now supports 13 platforms!
Win32, Win64, WinCE, Linux, Linux64, Macintosh (os8/9/10/x86)
PS2, PSP, PS3, Xbox, Xbox 360,GameCube, Wii