‘Melancholy’ cometh, draped in dolorous fun, as Grey Ghost Theatre bows with Ruhl’s play

Review: When Tilly shows up, she elevates the common funk to dolorous heights so seductive, transporting and rarified — cue the cello — that only the Japanese have a word for it, or is it the Scandinavians? This is Sarah Ruhl’s 2001 “Melancholy Play,” a gentle misery-loves-company fable of high wit. ***