Classical music critic Lloyd Schwartz just attended two productions of Porgy and Bess: an operatic performance at Tanglewood and a musical-theater version in Cambridge, Mass. He says it can work either way, "as long as Gershwin's great score remains its heart and soul."

Many Broadway revivals trim their budgets by downsizing the orchestra, but a new Follies features 28 musicians in the pit. Jeff Lunden speaks with orchestrator Jonathan Tunick about working on the Stephen Sondheim score, which evokes Broadway styles of the '20s, '30s and '40s — as well as the contemporary music of 1971.

Hao Jiang Tian left China 30 years ago to be an opera star in the West. Now he's back in Beijing with a new dream: teaching Western singers the opera of his home country.