Yeah, I know, most people think of angular, dark progressive music when they think of King Crimson. But they have more than their share of beautiful pieces.
Here are just 2:
King Crimson - Exiles
https://www.youtube.com/watch?v=qD0DBGqk6_A
King Crimson - Night Watch
https://www.youtube.com/watch?v=WwFYy_Th7BA