Moving from left to right and top to bottom. <i>Rhythmisches</i> [In Rhythrn] resembles a visual score. Inspire by the checkerboard, variations in the squares; size enliven the ordered rhythm, From the fourth line, a grey, then a white, then a black square disappears. The repetition of the three colors loosens up and gives way to a new, staggered pattern recalling the variations of a fugue, Using a spatula in the thick paint. Klee obtained nuances as varied as music's timbres and tone can be. (From the explanation board)
<bdi><a href="https://en.wikipedia.org/wiki/en:Paul_Klee" class="extiw" title="w:en:Paul Klee"><span title="Swiss artist (1879-1940)">Paul Klee</span></a>
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CC BY 4.0
<span class="int-own-work" lang="en">Own work</span>