Webern, variations for piano opus 27

Lately I've finally begun to actually enjoy serial/12-tone music (no, honest! I actually find it pleasant as long as there aren't too many instruments involved at the same time) - this youtube clip has Glenn Gould in a 1964-recording the first part of Piano Variations opus 27 (1936) by Anton Webern. Webern (1883-1945) was taught by Arnold Schönberg (1874-1951) and extended his serial technique.