歌手资料
Signum Quartett
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性别：组合
国籍：英国
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The Signum Quartet is a string quartet based in Cologne, Germany. Founded in 1994, it has been playing in the current formation since 2016.
The Signum Quartet is a string quartet based in Cologne, Germany. Founded in 1994, it has been playing in the current formation since 2016.
