Hansjörg Albrecht, Concert Organist - 2019, 2020, 2022, 2023, 2024, 2025

Peter Bader, Harmonium - 2018

Thorsten Bleich, Lute - 2018

Christian Braica, Double Bass - 2008
Monika Henschel, Viola - 2022
Michael Martin Kofler, Transverse Flute - 2019

Andreas Kowalewitz, Piano - 2018
Konstantin Lukinov, Piano - 2007, 2009, 2017, 2018, 2019, 2022, 2023, 2024, 2025
Kevin McCutcheon, Piano - 2018
Takuro Okada, Cello - 2019, 2024
Stefanie Pritzlaff, Transverse Flute - 2008

Jakob Rattinger, Viola da Gamba - 2018

Arnau Reynés, Harmonium, Organ - 2018
Johannes M. Steber, Trumpet - 2008

Catharina Stehle, Harp - 2008
Juri Vallentin, Oboe - 2019