Arius is a professional organization that performs chamber music for various ensemble sizes up to small chamber orchestra. Regular venues include St. Michael's Lutheran Church in Bloomington, Lutheran Church of the Good Shepherd in Edina, Wayzata Community Church in Wayzata, Jehovah Lutheran Church in St. Paul, Augustana Lutheran Church in West St. Paul, Carleton College in Northfield and Shepherd of the Valley Church in Apple Valley.