Yvonne AK Johnson, Executive Artistic Director of Spokane Valley Summer Theatre, stops by the studio with a preview of their season finale, the ABBA-infused musical, "Mama Mia." Also in the studio are actors Andrea Olsen (Donna), Emma Larson (Sophie), Marnie Rorholm (Tanya), Michael Muzatko (Harry), and Paul Villabrille (Sam), and a dozen members of the ensemble chorus, singing songs from the show. "Mama Mia" opens Friday, August 9, and continues through August 18th. For tickets and showtimes,