- Oxford University Press Music & The Oxford Choir
- Elektra Women's Choir
- Messiah College Concert Choir, Linda L. Tedford, Johanna Hartman, Andrew Havington, Messiah College Chamber Singers, Rose Depalma, Joel Brandon, David O'Donnell & Rachel Ditri
- Peggy Walter, Amy Solberg, Bellaire High School Chorale Women, Rohini Rege, Nazayat Parvez, Sarah Shute, Heather Orr, Montgomery High School Varsity Chorale Women, Judy Boyter, Caroline Hymel, Emily Massey & Ken Labonski
- University of Saskatchewan Greystone Singers
- The Washington and Lee University Singers