In fact, the two dots of the bass clef symbol straddle this line. Understanding the bass clef is crucial if you want to read or write music that incorporates lower-pitched notes. Composers use it ...
当前正在显示可能无法访问的结果。
隐藏无法访问的结果当前正在显示可能无法访问的结果。
隐藏无法访问的结果