A couple more Williams things I like, even if I don't fancy the sound of his instrument-
https://www.youtube.com/watch?v=Vs7EbNm_5M
His transition from the unmetered section to the fugal one is quite something here, and he really keeps the intensity going, too.
https://www.youtube.com/watch?v=7kguea2S7Sk
Same piece linked above- I like the clarity of Williams's meter, and he lets
the music breathe a little more.