Das Rheingold (Metropolitan Opera)
Robert Lepage's production of Wagner's Ring Cycle for the Metropolitan Opera has come a long way since he unveiled his "Machine" with "Das Rheingold" going on two years ago. It's now a widely dismissed production, for good reasons in some of the later parts, but on the basis of how well it works for this opera, the first of the four, such dismissal is way off the mark.Traditional it may be, but no other production I'…