ehehehe. Solved. I hadn't loaded the sountfonts. I did it following this guide I use 17:0 port now. Thank you anyway.

Hello everybody. I have a slight problem with Discworld 1. In the setup program I select "General Midi (Roland MPU-401)" as midi device, then it says "Device successfully detected", but I get no music at all when playing. Sound effects and voices work fine, though. When I select "Sound Blaster 16" …