Klaus Mertens
April 25, 1949 (77 years old) in Kleve, Germany
Known For
Credits
- 2010 · Wilhelm Friedemann Bach - Cantatas as Self - Bass
- 2004 · Ton Koopman plays Bach as Self - Baritone
- 1998 · Bach: Christmas Oratorio (Weihnachts-Oratorium) as Self