实践课C大调10课 由 Gavin | 9 月 14, 2018 | 安老师实践课堂https://m.youku.com/video/id_XMzc5NDc4NDM4MA==.html?x=&sharefrom=android&sharekey=f0c8062dcc32f320f5ef6e92360aee869&source=
编曲F大调 由 Gavin | 9 月 13, 2018 | 安老师中级课堂https://m.youku.com/video/id_XMzc1ODY0MDUwNA==.html?firsttime=0&source=&ishttps=1&vertical=1
