Bel Cantanti's lively, flawed 'Die Fledermaus'

The scrappy and peripatetic Bel Cantanti Opera has grown, and grown fast. A couple of seasons ago it presented a double bill, using several singers in principal roles in both operas. This past weekend, it landed at Catholic University's Rome Recital Hall, again presenting two operas (two performances each, separately ticketed), but each was double-cast with no overlap. Solely on the evidence of the Sunday performance of Strauss's "Die Fledermaus," I would offer a note of caution. The company's a...