two clefs in music

theory lessons features 39 music theory

古典音乐的记谱法是什么

read written pitches in four different clefs and play them

bowings:上弓和下弓的标记,以及连弓演奏的标记.18.

space英[spes]美[spes]n. 空间;距离line英[lan]美[lan]n.

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