Dr. Pfaltzgraff has performed over 30 leading operatic roles and an even wider range of concert works. In demand as a soloist in Germany and the United States, he has appeared with Union Avenue Opera in St. Louis, and has also appeared in productions with Opera Theatre of St. Louis, the St. Louis Masterworks Chorale, the St. Louis Symphony Chorus, Metropolitan Chorale, Toledo Opera, the Lima Symphony, Toledo Symphony, the Detroit Symphony (Civic), Canton Civic Opera, Mansfield Symphony, the Ann Arbor Festival of Song, the Rochester (NY) Chamber Orchestra, the Oak Ridge (TN) Civic Music Association, and the Des Moines Metro Opera. Pianist and Wartburg College professor Carita Pfaltzgraff will collaborate with Brian Pfaltzgraff on songs by Rachmaninoff, Beethoven, Berlioz, and Vaughan Williams.