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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As the creator of Hub Guitar, Grey has compiled hundreds of guitar lessons, written several books, and filmed hundreds of video lessons. He teaches private lessons in his Boston studio, as well as via video chat through TakeLessons.