Concordia University’s A Cappella Choir has been performing concerts and joining congregations in worship for 75 years. The choir was organized in 1938-39 by Dr. Theodore Stelzer, professor of music and psychology. One of the United States' oldest touring Lutheran college choirs, the A Cappella Choir has performed extensively throughout America (including Hawaii), and internationally in Greece, Italy, France, Egypt, Israel, Lebanon, India, Thailand, Hong Kong, Taiwan, Japan, the Philippines, Germany, Czech Republic, Slovakia, Austria, Spain, Mexico and Australia. 
 The 72-voice concert choir is chosen by audition each fall. Student membership is comprised of majors from most academic disciplines representing 15 different states and some foreign countries. Over 180 students audition each fall for a position in the internationally renowned concert choir. 
 The A Cappella Choir has been invited to perform for music conferences, choral festivals, and international competitions in recent years. They received the Gold Medal for performance at the 12th Annual Australian International Music Festival and earned a place in the winners circle at the 42nd Annual International Choral Competition in Spittal and der Drau in Austria. The choir has regularly performed for the Nebraska Music Education Association’s annual conference and was one of two Nebraska choirs selected to perform for the American Choral Directors Association (ACDA) North Central Division choral hour in March 2006.