If you have Sound Blaster compatible device and want to run it from linux DOS emulator, this patch for you. This patch is something like a wrapper, which directs dosemu's commands through the kernel layer to the Sound Blaster and delivers signals from the device to the dosemu. One part of this patch is a patch itself, another part is kernel module. Kernel module is designed for kernels 2.0.x. I haven't tested it against 2.1.x kernels, so if it will scrap - sorry. You won't hear music in DOOM II, because of its tricks with timer... But you will probably hear music and digital effects of WarCraft II.