Tenor Michael Axelsson Christoper Busietta Seung-jin Choi Gianni Coletta Guillermo Dominguez James Elliott Dirk Kleinke Douglas Nasrawi Matthew Pena Iago Ramos Noriyuki Sawabu Raymond Sepe Alexander Voigt Ray Wade jr. Ralf Willershäuser Bariton Johannes Beck Geani Brad Nathan de´shon Myers Peter Paul Ulf Paulsen Bassbariton Bernd Gebhardt Norman Patzke Igor Levitan Bass Éric Beillevaire Gianluca Breda Vaga Martirosyan Martin Scheepers Dario Süß Counter Konstantin Dirri