What Makes A Work Of Art Great?

Each answer below receives a book. Apologies to all the entrants not included.

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Great art must score highly on four measures: emotional impact (visual and visceral); technique (masterful and harmonious); concept (relevant or timeless); and originality (of medium, subject, or treatment).

There are many ways each of these criteria can be satisfied, both subjectively and objectively, but the media are open-ended. One can build great architecture; paint on canvas or a wall; sculpt wood, rock, or beach; project an image on a building or the Moon; make an installation; stage a happening... The media extend to literature, music, stage, and film. Even engineering is not entirely bound to functionality. A ship, aircraft, or bridge can satisfy all the 'great art' criteria, even if stirring emotion was no part of the designer's intention.

To be art, a work has to be made deliberately by a person (assuming AI art is necessarily derivative), and witnessable in principle by anyone. To have meaning it needs a context wider than its content. An abstract canvas needs a perceptive apparatus. A painting or photograph whose natural subject has been carefully selected owes to the physical setting and human expectations. Does this mean there are boundaries to what anyone should consider art? The way art has developed historically, though decoration, statuary, performance, religious scenes, portraiture and landscapes, to conceptual art - supports this. But boundaries evolve, and then the question is, how far? An entertainment in sixteenth century Paris involved collecting cats in a bag, hoisting them up in a public square, and lighting a fire underneath. Was that