This is Armoda, a music and sound effects system for games and other multimedia applications.
This software is released under Overcode's Source License:
/*
This software was written by John R. Hall <overcode@overcode.net>,
but it is in the public domain. I believe that free software
should be truly free and not encumbered by license hassles.
There is no warranty of any sort pertaining to this code.
*/John Hall is not maintaining this software any more. Patches and questions can be sent to Ryan C. Gordon: icculus@icculus.org