The .\SOUND game directory contains sound drivers (*.lst, *.gus, *.mdi, *.dig), configuration files (*.ini) and sounds (*.dat).
We're only interested in DAT files. There are three of them:
MUSIC.DAT SOUND.DAT SYNCREDS.DAT
The MUSIC.DAT is a MIDI file in format XMIDFORM. It's played during fights over the tension cd-track.
This is standard MIDI file and may be played in WinAMP, but it sounds... strange.
I suppose this file requires specific sound samples bank.
Reworked MIDI files:
MUSIC.DAT
SOUND and SYNCREDS are packs of WAVE files. You can extract single WAV files with any ripper tool (ripper5, mrip, ...) or specific extractor for Bullfrog games, available here(this package includes source to compile with GCC):
Download Bullfrog games WAVE/VOC Sound extractors
All extracted WAV files are available in "Sound gallery" section.
Reworked sound effect files:
SOUND.DAT SYNCREDS.DAT
The game also contains 3 tracks of CD Audio music. They are also available in "Sound gallery".