N [music] → same as subtonic
Note: the leading period is supposed to be there!
注意：假定开头部分的句号已经在那里！
Okay. So this is a leading tone going in to that particular note.
好吧,这是一个引出那个特定音符的导音
One thing to note is that, when specifying the external number using the E.164 format, you must encode the leading + as %2B.
需要注意的一点是，在使用 E.164 格式指定外部号码时，必须将前面的 + 编码为 %2B。
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