Sophia Ackermans, Sopran 2013, 2014
Roberto Alagna, Tenor 2008
Antonio Aragón, Tenor 2014
Joaquin Asiain, Tenor 2013, 2015
Anna Alàs I Jove, Mezzosopran 2010
David Alegret, Tenor 2003
Rodrigo Alvarez, Bariton 2010
Natalia Atamanuchuk, Sopran 2013
Alexandru Badea, Tenor 2008
Erdem Baydar, Bariton 2005
Birgit Beer, Sopran 2005
Elena Belakova, Sopran 2004
Roger Berenguer, Tenor 2014, 2015
Bartomeu Bibiloni, Bariton 2014
Antje Bitterlich, Sopran 2014, 2015
Edina Bräu, Mezzosopran 2017
Milos Bulajic, Tenor, 2013
Anna Borchers, Sopran 2009
Geani Brad, 2015
Ulf Bunde, Bariton 2004
Christopher Busietta, Tenor 2011
Agnieszka Ceglowska, Sopran 2018
Judith Christ, Mezzosopran 2005
Sylvia Corbacho, Mezzospran 2010
Maria Luisa Corbacho, Mezzosopran 2014, 2017
Josefina Costa Di Fabio, Sopran 2008, 2009
Gregor Dalal, Bassbariton 2009, 2010
Diana Damrau, Sopran 2005
Theresa Dax, Sopran 2018
Eylem Demirhan, Sopran 2003
Kerstin Descher, Mezzosopran, 2011, 2012
Kremena Dilcheva, Mezzosopran 2007, 2010, 2011, 2014, 2015, 2018
Kinga Dobay, Mezzosopran 2010
Lea-ann Dunbar, Sopran 2007, 2008
Miquelet Estelrich, Tenor, 2012
Jasmin Etezadzadeh, Mezzosopran, 2011, 2013
Doreen Maria de Feis, Sopran 2006
Eric Fennell, Tenor 2014
Karen Frankenstein, Sopran 2013, 2014
Gesche Geier, Sopran 2015
Christina Gerstberger, Sopran 2011
Marijana Gojkovic, Sopran 2006
Christine Graham, Sopran 2014
Stella Grigorian, Mezzosopran 2003, 2004, 2006, 2015, 2017
Bartomeu Guiscafré, Tenor 2010, 2011
Karolina Gumos, Mezzosopran 2007
Ana Häsler, Mezzosopran 2013
Hermine Haselböck, Mezzosopran 2004
Inma Hidalgo, Sopran 2014, 2015
Theresa Holzhauser, Mezzosopran 2018
James Hooper, Bassbariton 2006
Betsy Horne, 2013
Christian Hübner, Bass 2011
Tohru Iguchi, Bariton 2016, 2017, 2018
Rahel Indermaur, Sopran 2009, 2016, 2017. 2018
Marcela Inguanzo Gómez, Sopran 2010
Andreas Jäpel, Bariton 2014
Robin Johannsen, Sopran 2005
Adam Juran, Tenor 2018
Julia Jurgasch, Sopran 207
Tomasz Kaluzny, Bariton 2005, 2006, 2008
Rita Kapfhammer, Mezzosopran 2006, 2008, 2009, 2010
Hitomi Kawai, Mezzosopran, 2018
Ji-Woon Kim, Tenor 2012
Nadja Klitzke, Sopran 2004, 2007
Mary Anne Kruger, Sopran 2008, 2009, 2010, 2011, 2012
Michael Kupfer, Bariton 2007
Jana Kurucová, Mezzosopran 2007, 2008, 2011
Ana Maria Labin, Sopran 2010
Dong-Hwan Lee, Bariton 2011
Yoo-Ra Lee-Hoff, Sopran 2007
Antoni Lliteres, Tenor 2018
Regina Lochner, Mezzosopran 2011
Pablo Macias, Tenor 2009
Daniel Magdal, Tenor 2005, 2013
Oscar Marin, Tenor 2017
Ricardo Marinello, Tenor 2017, 2018
Gary Martin, Bariton 2012, 2013, 2015
Marga Mateu, Sopran 2009
Nadja Merzyn, Sorpan, 2015
Khatuna Mikaberidze, Mezzosopran, 2012, 2013
Martin Mitterrutzner, Tenor 2006
James Moellenhof, Bass 2014
Janusz Monarcha, Bass 2007
Sandra Moon, Sopran 2011, 2012
Joel Montero, Tenor 2009, 2010, 2014, 2015
José Maria Moreno, Tenor 2007, 2010
Waltraud Mucher, Mezzosopran, 2015, 2017
Ann-Katrin Naidu, Mezzosopran, 2012
Lina Navakaité, Mezzosopran 2004
Daniel Ohlmann, Tenor, 2012
Holger Ohlmann, Bass 2009, 2011, 2013
Andrea Oswald, Sopran 2018
Mirna Ores, Mezzosopran 2006, 2008
Ivan Páley, Bariton 2005
Norman D. Patzke, Bariton 2007
Felipe Peiro, Bariton 2007, 2009
Jud Perry, Tenor 2008
Alexandra Petersamer, Mezzosopran 2007
Francesco Petrozzi, Tenor 2006
Maia Planas, Sopran 2017
Harrie van der Plas, Tenor 2009, 2012
Yvonne Prentki, Sopran 2018
Sally du Randt, Sopran 2011
Leonora del Rio, Sopran 2006
Adam Sanchez, Tenor 2011,
José Manuel Sánchez, Tenor 2007, 2018
Natalie Salom, Sopran 2009
Eca Maria Santana, Mezzosopran 2012, 2014
Stefanie Schaefer, Mezzosopran 2011
Maximilian Schmitt, Tenor 2004, 2005
Mathias Schulz, Tenor 2007
Robert Sellier, Tenor 2011
Ingolf Seidel, Bariton 2005
Marina Serra Heredia, Sopran 2017, 2018
Tanja Simic-Queiroz, Mezzosopran 2009, 2010
Debra Stanley, Sopran 2014
Alexandra Steiner, Sopran 2018
Stanislava Stoyzcheva, Sopran 2004
Angelique Vanackere, Sopran 2006
Fernando del Valle, Tenor 2011
Pedro Velázquez Diaz, Tenor 2011
Ruxandra Voda, Sopran 2012
Sarah Westhäuser, Alt 2006
Johannes Wiedecke, Bass 2008
Karin Wolf-Bauer, Sopran 2012, 2013
Cassandra Wyss, Mezzosopran 2015, 2016
Narine Yeghiyan, Sopran 2016
Sarah Yorke, Sopran 2006
Eva Zettl, Sopran 2004
Zurab Zurabishvili, Tenor 2013