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Fuchs: Clarinet Quintet in E flat major; Lachner: Septet in E flat major (1989)
by Albert Boesen (violin), Enrique Santiago (viola), Ensemble Villa Musica, Erno Sebestyen (violin), Jean-Claude Gérard (flute), Marie-Luise Neunecker (horn), Martin Ostertag (cello), Ulf Rodenhäuser (clarinet), Wolfgang Güttler (double bass)
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Media Vita in Morte Sumus: Vocal Chamber Music by Volker David Kirchner (2015)
by Christian Ostertag (violin), Erich Michelsberg, John Stobart (horn), Julia Ostertag (mezzo-soprano), Katrin Melcher (viola), Kilian Herold (clarinet), Martin Ostertag (cello), Matthias Würsch (percussion), Sascha El Mouissi (piano), Tilman Krämer (piano)
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Johann Sebastian Bach: Edition Bachakademie (1998)
by Arleen Augér (soprano), Boris Pergamenschikow (cello), Carolyn Watkinson (alto), Christine Schäfer (soprano), Dmitry Sitkovetsky (violin), Hans-Joachim Erhard (harpsichord), James Taylor (tenor), Jean-Claude Gérard (flugelhorn), Kay Johannsen (organ)
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