The original Baldur's Gate music had a strong influence on me.
Especially the hovering horns and woodwinds here give the woods that orange, red, pink sunset touch.
And, the dream theme. Always coming with some story about the main character.
For one of the best in the whole series, tho, I would pick the Watcher's Keep theme
, and the Pocket Plane theme. This is where the life of the protagonist is coming into a singularity and they have to deal with all past debts and decisions. Like a rising deity, their story has to become unambiguous. All open questions from the past need to be answered. While that is going on, many fates of other people go grim, villains come out and unleash a hell on the world, and it is the protagonist who needs to come out of their little cocoon and challenge it. Ultimately, the cocoon is gone and the protagonist sets out the path for their future, either ascending into a deity, or returning back to their life. What it has become and what is left of it...