Got in contact with his art through Yes too. Fragile, Close To The Edge and Relayer. Their best albums IMHO.
https://www.youtube.com/playlist?list=PL6ogdCG3tAWiL8m1GcsVL...
https://www.youtube.com/playlist?list=OLAK5uy_ktk8PtkXO8Gdsh...
https://www.youtube.com/playlist?list=OLAK5uy_mB2Z4c14a1jFhh...
[edit] Roundabout has an absurdly high number of views, totally deserved though