 Complete the following phrase:  The score folds authentic Chinese musical expression into an essentially Western idiom, just as the libretto incorporates Chinese themessuch as the importance of family, and the power of ghosts and lucky charmswithin an American framework. That framework includes many popular references, including a wry jab at Medicare-approved nursing homes and reference to Ruths profession as a ghostwriter, which her immigrant mother misconstrues literally to mean a transcriptionist for ghosts. Notably, the infamous 