Gustav-Mahler-Youth Orchestra

European Youth Orchestra

Junge Deutsche Philharminie

Budapest Festival Orchestra

Deutsche Kammerphilharmonie Bremen

Radio Sinfonie Orchester Berlin , RSB

Katharina Bunners (Co. Principal Bass, NDR Hamburg)
Plays a 4 string orchestral bass made in 2005

Dominik Greger ( Professor, Weimar Musikhochschule)
Plays a solobass

Grzegorz Jandulski (Principal Bass, Hagen Theater)
Plays a 5 string and solobass made in 2009

Rüdiger Ludwig (co. principal bass, NDR Hannover)
Plays a 5 string orchestral bass made 2002

Prof. Christopf Schmidt, Kontrabassprofessor,  Frankfurt Musikhochschule
solobass und 5 saiter 2012

Sebastian Breidenstein, Solobassist SWR Freiburg Baden-baden
5 saiter 2013

Gewandhausorchestra Leipzig
5 string orchestral Bass made in 2009

Jürgen Normann (Principal Bass, NDR Hannover)
Plays a 5 string orchestral bass made in 2008

NDR Hamburg

NDR Hannover

Ulm Theater Orchester,

English Chamber Orchestra

Belgisches National Orchester, Brüssel,

Orchestra Philharmonic de Liege

Ying Lai Green (Co. principal bass, Rotterdam Philharmonic Orchestra)
Plays a 4 string orchestral bass made in 2003 

Symphony  Orchester Granda, Spanien

Sinfonia Varsovia, Poland