Participant or Performer: | Martina Arroyo, soprano ; Grace Bumbry, contralto ; John McCollum, Marvin Sorensen, tenors ; Don Watts, bass ; Alexander Schreiner, organ ; Ardeen [sic] Watts, harpsichord ; Utah Symphony ; Maurice Abravanel, conductor ; University of Utah Chorus, Dr. David R. Shand, director ; Children's Chorus of the Whittier School, Norma Patrick, director. |