The Talos Principle - Heavenly Clouds - https://www.youtube.com/watch?v=4-qwpqahMcs
To the Moon - Main Theme - https://www.youtube.com/watch?v=LsAsJUTsYxs
Beyond Good & Evil - Home Sweet Home (But there's many other great songs in the game) - https://www.youtube.com/watch?v=jTdcJWDNsao
Grim Fandango - The entire OST - https://www.youtube.com/watch?v=km6bLtiSSq4
I'll edit more later if I remember anything else.
Edit:
The Simpsons: Hit and Run:
- Phone Booth music - https://www.youtube.com/watch?v=npyoTGq2e48
- Level 3 (Lisa) theme - https://www.youtube.com/watch?v=VVTkvaeNH68
Harry Potter and the Sorcerer's Stone (PC) - Many great ones in this game. Made by the same composer for the Elder Scrolls games, btw:
- Main theme - https://www.youtube.com/watch?v=nJ405s9tkYY
- "Green Cauldron" - https://www.youtube.com/watch?v=PCbnsgyEcs4
- Happy Hogwarts - https://www.youtube.com/watch?v=u2XvGz1hMFU