Webern, Piano Variations, Op. 27 (Twelve-tone)

Click on the thumbnail images below to view larger versions of the pictures.


Movement 1
Twelve-tone music does not have a "key", so note the fragmented key determination in this plot.

Note that the higher-level green key determination is "grounded" to the bottom of the picture in essentially one spot.

Movement 1
Compare a highly-tonal picture to the above atonal piece: