Klaus Mertens
Klaus Mertens (born 25 March 1949, in Kleve) is a German bass and bass-baritone singer who is known especially for his interpretation of the complete works of Johann Sebastian Bach for bass voice. Provided by Wikipedia-
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9Published 1982Other Authors: “…Mertens, Klaus…”
Classmark: Ea 3500 / 005 - 3 (HB 3.7)Book