Outside classical, one of my enduring interests in music is the Grateful Dead. Followed a couple tour legs in the late 80s/early 90s and they are a musical genre of their own, drawing in music from everywhere else in their own. Two indispensible albums
https://www.youtube.com/playlist?list=PL9BB273D20CBCC50Chttps://www.youtube.com/playlist?list=PLIjNu5B_g8FET6i3UYNtudGwCT6iGM8GA