Scared of opera? Can’t afford it? Want to bring your kids or football-mad spouse? Then the Rainier Family Opera is exactly what you need. The Tacoma band of singers have been putting on low-key, partly-staged opera concerts for a couple of years now, and their “Mostly Mozart” show this weekend promises to be just as much family fun as the others.
RFO started in 2008 with a mission to offer sophisticated but family-friendly opera. “Mostly Mozart” links all the faves and some others: the overture from “The Impresario,” the Susanna/Marcellina duet from “Marriage of Figaro,” Papageno’s song from “The …