The first step to fix this problem came with the introduction of various signs written above the chant texts, called neumes.
解决这个问题的第一步是将各种各样的标识写在圣咏的谱上，这种谱被称为纽姆谱。
The first step to fix this problem came with the introduction of various signs written above the chant texts, called neumes.
解决这个问题的第一步是将各种各样的标识写在圣咏的谱上，这种谱被称为纽姆谱。
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