“This and That” is an occasional series of paired observations. See past “This and That” posts here. – Ed.
Today: Monuments of Progress

David Newton, “Tenor and Contralto,” installed 2011. Located in Fair Park, Dallas, Texas. Photo courtesy of Fairpark.org

Francisco Zúñiga, “Alegoría a la Constitución (Allegory of the Constitution),” 1956. Located at the Museo de Arte de El Salvador, San Salvador, El Salvador. Photo by William Sarradet
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No matter how original, innovative or crazy your idea, someone else is also working on that idea. Furthermore, they are using notation very similar to yours. – Bruce J. MacLennan