Music: The Return of Porgy

George Gershwin's Porgy and Bess —that wondrous mix of jazz, blues, gospel, Broadway and European romanticism—is a treasure that has been hoarded too long. Productions have been rare over the past two decades, and not all that frequent during Porgy's 41 years of life. Now there is a new version that is really worth seeing and hearing. Surprisingly, at least to those unattuned to the activities of General Director David Gockley, it comes from the Houston Grand Opera, where the show last week completed an eight-day run. With former American Ballet Theater President...