via http://www.aep-emu.de/PNphpBB2-file-...c-t-17136.html

PrBoom-plus is a Doom source port based on PrBoom.


Quote:
2.5.1.2.test @ 2011-Jun-24 22:06 - win32 build, sources
[-]Fixed buggy songs that forget to terminate notes held over loop point. SDL_mixer does this as well. Fix tested against Doom2 map14 and FreeDoom2 map01, for fluidsynth, portmidi, and opl players.

http://prboom-plus.sourceforge.net/