Robert Murray, the 18th century merchant for whom the neighborhood of Murray Hill takes its name, might be troubled to see that his family's legacy has been reduced to a fratastic cluster of post-collegiate, quasi-dorms. But his ghost can also take comfort knowing that for the past decade or so a comic lounge singer in Rat Pack drag has made the name certifiably applause-worthy. Of course, being a Quaker, it might take Robert Murray's ghost a drink or five to warm up to Murray Hill's ribald shtick. His audience at Corio Friday night, on the other hand, was roaring with laughter even as they sipped their first "Pink Tassel" martinis....