“This and That” is an occasional series of paired observations. -Ed.
Today: Mirror balls

Kacey Musgraves performing her song “High Horse” on Saturday Night Live

The Art Guys, St. Simon the Apostle, 2009, Mirror squares, chain saw, disco lights

Theo Eshetu, The Mirror Ball Constellation No.2, 2013-2015, C-print on Fuji Crystal Archive paper, mounted on aluminum

Rashid Johnson, We Hood, 2014, Mirrored tile, spray enamel, black soap, wax, vinyl, steel, books, shea butter

Detail of Tomás Saraceno’s Aerocene: Around the World to Change the World at the Grand Palais in Paris

“Gold Disco Ball Hard Hat for Burning Man” from Etsy

Kelley Walker, Circle in Circle, 2006, Cast compound chocolate, archival wax, chain, motor

Installation view of Monir Shahroudy Farmanfarmaian: Infinite Possibility. Mirror Works and Drawings, 1974–2014 at the Solomon R. Guggenheim Museum

Yayoi Kusama, Narcissus Garden, 1966, Installation and performance. Image via Flickr

Chen Wei, The Stars in The Night Sky Are Innumerable, 2010, Archival inkjet print. Rubell Family Collection.

Image from Erik Schuessler’s proposal to combat the glare off of Dallas’ Museum Tower

Adam Ekberg, A disco ball on the mountain, 2005, Archival pigment print

Valdis Celms, Positron, 1976, kinetic maquette of steel, paper, and wood (courtesy Zimmerli Art Museum, Norton and Nancy Dodge Collection of Nonconformist Art from the Soviet Union, © 2016 Artists Rights Society (ARS), New York / AKKA-LAA, Latvia, photo by Peter Jacobs).

Kyle McDonald and Jonas Jongejan’s Light Leaks at Day for Night, 2017
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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