
- C Above High C: The Voice of Erna Sack · 2014

- C Above High C: The Voice of Erna Sack · 2014

- C Above High C: The Voice of Erna Sack · 2014

- C Above High C: The Voice of Erna Sack · 2014

- Singers of the Century: Erna Sack - The German Nightingale sings Coloratura Masterpieces (1935-1942) · 2013

- Singers of the Century: Erna Sack - The German Nightingale sings Coloratura Masterpieces (1935-1942) · 2013

- Singers of the Century: Erna Sack - The German Nightingale sings Coloratura Masterpieces (1935-1942) · 2013

- Singers of the Century: Erna Sack - The German Nightingale sings Coloratura Masterpieces (1935-1942) · 2013

- Singers of the Century: Erna Sack - The German Nightingale sings Coloratura Masterpieces (1935-1942) · 2013

- Singers of the Century: Erna Sack - The German Nightingale sings Coloratura Masterpieces (1935-1942) · 2013

- Singers of the Century: Erna Sack - The German Nightingale sings Coloratura Masterpieces (1935-1942) · 2013