歌手资料
Klaus Mertens
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性别：男
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简介：
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.
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.
