Schneider, Bruno, Solohorn, Solohornist (1): professor Hochschule für Musik Freiburg i.Br. and Conservatoire de Musique de Genève, Bläserensemble Sabine Meyer
Allegrini, Alessio, Solohorn (2): solo horn Orchestra dellAccademia Nazionale di Santa Cecilia
Dini, Gianfranco (1): solo horn Maggio Musicale Fiorentino Orchestra
Gass, Ivo (1): solo horn Tonhalle-Orchester Zürich
Kröger, Hasko (1): Bamberger Symphoniker
Lundström, Kjell Adel: Mahler Chamber Orchestra
Russo, Giuseppe (2): Orchestra Mozart
Schöpfer, Martin: Mahler Chamber Orchestra
Siri, Andrea (1): Orchester der Oper Zürich
(1) concerts from the 12., 14., and 15. august 2009
(2) concerts from the 21., and 22. august 2009