Meer van Bel Canto Company
- Rivertree Singers Festival Chorus, Rivertree Singers & Warren Cook
- Bob Jones University Choirs and Ensembles
- The Singers - Minnesota Choral Artists
- The University Of Utah Singers
- Ensemble Leszczynski, Geoffroy Vançon, Clémence Petit & Thomas Joly
- The Wartburg Choir & Dr. Lee Nelson
- The Director’s Chorus, Francisco J. Núñez, Rivertree Singers & Warren Cook