- The Blackest Bass: Gottlob Frick Portrait · 2019
- Twenty Gems of Viennese Operetta · 2014
- Twenty Gems of Viennese Operetta · 2014
- Twenty Gems of Viennese Operetta · 2014
- Rudolf Schock - A Portrait (Inspiration) · 2014
- Rudolf Schock - A Portrait (Inspiration) · 2014
- Rudolf Schock - A Portrait (Inspiration) · 2014
- Rudolf Schock - A Portrait (Inspiration) · 2014
- Rudolf Schock - A Portrait (Inspiration) · 2014
- Rudolf Schock - A Portrait (Inspiration) · 2014
- Rudolf Schock - A Portrait (Inspiration) · 2014
- Rudolf Schock - A Portrait (Inspiration) · 2014
- Rudolf Schock - A Portrait (Inspiration) · 2014