1975-11-17
University of Alberta Concert Choir
2000-10-27
2017-10-21
University of Alberta Madrigal Singers, University of Alberta Concert Choir, Ratzlaff, Leonard
1973-03-24
1978-12-10
1981-12-02
2003-11-28
1987-12-04
1997-04-04
1991-04-05