2019-11-29
University of Alberta Concert Choir
2017-10-21
University of Alberta Madrigal Singers, University of Alberta Concert Choir, Ratzlaff, Leonard
2003-11-28
2002-11-29
2001-11-30
2001-04-06
2000-10-27
2000-04-29
1999-12-03
1999-04-09