摘要: 高音符號的由來是怎樣的?(A)’Guido d'Arezzo placed letters on certain lines to indicate their pitch, and thereby the pitch of the remaining lines and spaces. The l... 阅读全文
posted @ 2014-08-29 15:47 王二七 阅读(786) 评论(0) 推荐(0) 编辑