German to English Art/Literary Art, Arts & Crafts, Painting Vienna art exhibition appeal

"Selbst bei spröder Gegenwartskunst zeigt sich das Publikum mitunter schwer begeistert." (Context: the current popularity of Viennese museums.)
??? Am considering "unaccommodating": "Even with unaccommodating contemporary art, the public sometimes raves." ???

NOTE: Word should be along the lines of "nicht gefällig", "schwer zugänglich" (event. "widerspenstig")...
Art that is "spröde" is sometimes--but not necessarily: cerebral, high-brow or dry--so those adjectives are too specific; but "difficult" is too general & "inaccessible" doesn't quite fit. "Difficult-to-digest" sort of fits, EXCEPT that digestion is 'post-ingestion', whereas "spröd" has to do with it being hard to access in the first place...