Please recommend King Crimson albums…

Check out “In The Wake of The Poseidon”, their 1970 follow up album to “In The Court of The Crimson King”.  From their 80’s incarnation with vocalist / guitarist Adrian Belew,  I like “Three of A Perfect Pair”. It has a more electronic sound compared to their 70’s recordings. 

This is exactly what you are looking for.  Pete Sinfield's solo album.

There are many live albums (Live in Toronto, Radical Action, etc.) which are at least worth browsing through to see if any of it agrees with you. Much incredible muscianship is on display but they don't do mellow for very long at a stretch so that may be a bridge too far perhaps. One man's nasty is another man's nirvana.

Since you are okay with the jazzy King Crimson I would suggest Islands. Get the Steven Wilson re mix.

berner99

Beginning your KC journey, start with the 1st 4 albums(CD).

Happy Listening!