Rivertown’s ‘Mamma Mia!’ finishing with added shows
By ALAN SMASON, Theatre Critic, WYES-TV (“Steppin’ Out“) The Rivertown Theaters for the Performing Arts has typically pulled out all of the stops for their summer show every year. Last year they had Disney’s “Beauty and the Beast,” while in its most previous years the company produced “Disney’s ‘The Little Mermaid’” last year, a staged…