UrbanArias's 'Blue Viola' makes for a somewhat intriguing night at the opera

Opera companies need to sponsor new works if the genre is to have a future. UrbanArias, a small but feisty company based at the embattled Artisphere in Rosslyn, has helped fill that niche by mounting a few new or recent operas each season since 2010. Its latest offering, "Blue Viola," by music theater composer Peter Hilliard, makes for a moderately interesting evening at the theater. Less certain is whether an audience looking for opera, and all that word entails, would find what they seek in it...