Heinz Breloh, 6 Terracotta-sculptures, 1994-2000. Jürgen Paatz, Untitled, 1973. "playing by heart" at Kolumba Kunstmuseum. Photos: Lothar Schnepf, copyright KOLUMBA, Köln.

Robert Klümpen, Je t´aime, 2011.Heinz Breloh, The Sculptor Harald Kreuzberg (Death and the Maiden), 1995. "playing by heart" at Kolumba Kunsmuseum. Photos: Lothar Schnepf, copyright KOLUMBA, Köln

Installation view of "playing by heart" at Kolumba Kunstmuseum (2015). Photos: Lothar Schnepf, copyright KOLUMBA, Köln.

Michael Buthe, Holy Night of Virginity, 1992. Photos: Lothar Schnepf, copyright KOLUMBA, Köln.

Bernhard Leitner, Serpentinata, 2004/2014. Michael Buthe, The Wanderer, 1972. "playing by heart" at Kolumba Kunstmuseum. Photos: Lothar Schnepf, copyright KOLUMBA, Köln.