He made his professional debut at the age of nine singing the role of Amahl in Menotti's Amahl and the Night Visitors. Music theatre credits include Mr. Crisparkle in The Mystery of Edwin Drood and Archibald Craven in The Secret Garden. Millar has performed with Ohio Light Opera and Dayton Opera. The Choral Union performs regularly with the ASU Symphony Orchestra. In addition, the group is the resident chorus of the Phoenix Symphony, performing classical and pops concerts each season under the batons of internationally acclaimed conductors.
Members come from around the state, the valley and on campus.
George Umberson serves as the director of the Choral Union. He resumed a full-time teaching position in the ASU School of Music, after as serving as director of the school for 19 years. Prior to joining the ASU faculty, Umberson was director of choral activities at Pepperdine University and Eastern New Mexico University. His school choirs have been frequent guests at national conventions, including the American Choral Directors Association and the Music Educators National Conference. He has been a guest conductor, clinician and adjudicator in more than 40 states.