I don't think I posted this in this thread before (forgive me, it's a long thread).
This is really an oldie, but goodie. At the time, I thought the music for this game was wonderful, and most people tend to agree. I still remember it after nearly 30 years, so that says something.
Forbidden Forest for the c64
Link to video.
My favorite one is at 5:00 minutes, but all the music in this game is great for the time it was made.
Link to video.
Fallout 3 Theme, "When the Swallows Come Back"
I was quite surprised I haven't seen this one anywhere, it's still among the most epic themes, I think (especially in the post-apocalyptic environment).