while the story be sweet and and the dancing and singing in the main part of the film be a joy and the uniqueness of the film ( and what make it a masterpiece ) be the dream sequence . it feature the combination of the high form of truly american music ( gershwin ) and the engage beauty of french impressionistic art and kelly enthral choreography ( include his rapturous pa de deux damour and really a separate genre ) and with the most magnificent palette of color ever devise for the set . match the surging music and the visual explosion with those dance be a true work of a creative genius and a great artist .