他提供的资料有:
Some of my instruments are played by these artists:
o Martin Schwarz (A)
o Paul Friesenbichler (A)
o Prof. Leo Witoszynsyj (A)
o Erich Schachtner (D)
o Y. Iwanaga (JP)
o Keishi Sumi und Akiko Sumi (JP)
o Prof. Martin Myslivecek (CZ)
o Daniele Russo (I)
o Dominik Apfelthaler (A, geb. 1992)
o Michael Hintersteininger (A)