text: American Ballet Theater Joseph Gorak making his debut in the role of Franz in "Coppélia" at the Metropolitan Opera House on Saturday afternoon. He leaves the corps de ballet to become a soloist next month.CreditIan Douglas for The New York Times
  A version of this article appears in print on , on Page C5 of the New York edition with the headline: From Ballet Theater, Some Goodbyes and a Promise for the Future. Order Reprints | Today's Paper | Subscribe