Gjestesangere
Sopraner
- Alison Langer Thackeray
- Charlotte Laidlaw Mason
- Sofia Larsson
- Christine Buras
Alter
- Cathy Bell
- Claire Barnett-Jones
- Felicity Turner
- Susanne Heydorn
Tenorer
- Chris Carroll
- Christopher Littlewood
- Cristian Madina
- Gunnar Andersson
- Lawrence Thackeray
- Remus Alazaroae
- Roberto Abate
- Vernon Kirk
Basser
- Cristian Ardelean
- Francis Brett
- Graham Stone
- Jacob Lech
- James Berry
- Jon Stainsby
- Lucian Onita
- Piran Legg
Sopraner
- Catrin Woodruff-Abel
- Ingunn Olsen Høgetveit
Alter
- Anna Traub-Gulbrandsøy
- Emma Lewis
- Ingvild Schultze-Florey
- Susanne Heydorn
Tenorer
- Christopher Littlewood
- Cristian Madina
- Daniel Zah
- Gunnar Andersson
- Kieran White
- Remus Alazaroae
- Thorbjørn Guldbrandsøy
- Vernon Kirk
Basser
- Cristian Ardelean
- James Berry
- Lucian Onita
- Matthias Jahrmärker
- Stephen Kennedy
Sopraner
- Anne Sofie Skålvik
- Catrin Woodruff-Abel
- Ingunn Høgetveit
Alter
- Simone Rønn
- Anna Traub-Gulbrandsøy
Tenorer
- Cristian Madina
- Gunnar Andersson
- Gustav Hasfjord
- Remus Alazaroae
- Thorbjørn Guldbrandsøy
- Øystein Stensheim
- Vernon Kirk
Basser
- Cristian Ardelean
- Jakob Lech
- Lucian Onita
- Matthias Jahrmärker
- Robert Clark
Sopraner
- Catrin Woodruff-Abel
- Ingunn Høgetveit
- Sigrun Jørdre
Alter
- Cathy Bell
- Susanne Heydorn
Tenorer
- Gunnar Andersson
- Remus Alazaroae
- Vernon Kirk
Basser
- David Hebert
- Erlend Langhelle
- Jacob Lech
- Jon Stainsby
- Lucian Onita
- Matthias Jahrmärker
- Robert Clark
Sopraner
- Anne Sofie Skålvik
- Catrin Woodruff-Abel
- Ingunn Høgetveit
- Martina Starr-Lassen
- Peyee Chen
- Sigrun Jørdre
- Sunniva Lien Olsen
Alter
- Anna Traub
- Maria Nohr
- Nicola Beckley
- Kari Lise Høgseth
- Siri Evensen
- Susanne Heydorn
Tenorer
- Gunnar Andersson
- Marius Dale Romslo
- Thorbjørn Guldbrandsøy
- Tore Kloster
- Vernon Kirk
Basser
- David Hebert
- Emil Havold Næshagen
- Erik Jørgen Backer
- Erlend Langhelle
- Jacob Lech
- Lucian Onita
- Mads Skeie
- Matthias Jahrmärker
- Tom Lowe