If we're talking about sountracks, I really got caught by, now, an old one - and I persuaded my student friend to turn down the effects and play the game so I could record the track.
That was
Turok 2 on the old N64. So
moody. Especially Port of Ardia. I could cheerfully have lived there! (Not that I'm personally moody, just the morning mists, the strange dilapidation, the ancient stone-work, the light...
I think the post was meant to be about the game having a musical plot=theme, not the soundtrack tho. Not sure.