When is a work of art finished? How do we know? In this audio tour, curators discuss these centuries-old questions, exploring works from the Renaissance through the present day.

Image credits:

Pablo Picasso, The Charnel House. © 2016 Estate of Pablo Picasso / Artists Rights Society (ARS), New York
Gego (Gertrud Goldschmidt), Reticulárea cuadrada 71/6 (Square Reticulárea). © Fundación Gego
Sol LeWitt, Variations of Incomplete Open Cubes. © 2016 The LeWitt Estate / Artists Rights Society (ARS), New York
Lygia Clark, Bicho/Pan-Cubism Pq (Version II). © Lygia Clark. Courtesy of "The World of Lygia Clark" Cultural Association, Sao Paulo.
Robert Smithson, Mirrors and Shelly Sand. Art © Holt-Smithson Foundation/Licensed by VAGA, New York, NY
Jasper Johns, Voice. Art © Jasper Johns/Licensed by VAGA, New York, NY
Jean-Michel Basquiat, Piscine Versus the Best Hotels. © 2016 The Estate of Jean-Michel Basquiat / ADAGP, Paris / ARS, New York
Louise Bourgeois, Untitled (No. 2). Photo: Christopher Burke, © The Easton Foundation/Licensed by VAGA New York
Robert Gober, Slides of a Changing Painting. © Robert Gober
Cy Twombly, Untitled I–VI. © Cy Twombly Foundation