A Pella community theatre group is seeking cast members for their next production. The Union Street Players will perform “The Sound of Music” in late July and early August. Producer Shelley Buhrow says auditions are tonight and Thursday from 6:30-9:30 p.m. and Saturday from 9:00-11:30 a.m. all at the Joan Kuyper Farver Auditorium at the Pella Community Center. Rehearsals start May 21 with performances July 30-August 2.