Sight Reading Basic Exercise 12
调号
因为所有的“B”音都要被弹成“B♭”,所以我们就把升降记号标记在五线谱的最左端的key signatureA marking used at the beginning of a piece of written music to indicate the key; normally, which notes will be sharp or which notes will be flat. (But not both)处,这表示了这段旋律中所有的B都默认为B♭。
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