 He went on to write "The second half of the handsome show at the St. James levitates with some of the most inspired choreography Broadway has seen in several seasons – all set to the celestial music of George Gershwin and danced to kill by a company glittering in Art Deco swank.Until then, "My One and Only" is a smart and happy, if less than electrifying, spin down memory lane.Yet even at its most innocuous, this show receives a considerable boost from its Gershwin songs