Gouache on paper Dimensions: 27 x 29,5 cm Signed lower right "Kupka"   Provenance: - the collection of Mr. Loriot - Gallery Zlotowski, Paris - a private collection, Paris   This artwork is an important high quality study to the oil painting Music (1930-1932, oil on canvas, 85 x 93 cm, in the collection of Musée national d’art moderne, Centre Georges Pompidou, Paris).   A confirmation of the authenticity by Vladimir Lekes, the author of Kupka’s Catalogue Raisonne of Oil Paintings attached. (published with cooperation of Adolf Loos Apartment and Gallery, National Gallery Prague, Belvedere Vienna and the owner of Kupka´s resale rights Adagp Paris). Confirmation of the authenticity by Pierre Brulle, dated 4. April 2016, attached (Curator of the exhibition „Frantisek Kupka – The Way to Amorfa“, National Gallery in Prague, 30, November 2012-3, March 2013). Consulted with Professor Jaromir Zemina, Dr Karel Srp and Dr Jiri Machalicky.