Click on the thumbnail images below to view larger versions of the pictures.
Movement 1 [MIDI] |
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. |
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Movement 1 log-scale | ||
Compare a highly-tonal picture to the above atonal piece: | ||