打开App
零基础和弦乐理:学乐器不学点乐理你就白学了！
进来看看钢琴和弦的大小怎么标记！
电子琴演奏音乐38/422
App03:09
App03:25
App04:59
App02:37
App03:27
App04:43
App02:23
App04:29
App01:48
App02:30
App02:30
App04:59
App01:31
App01:36
App02:07
App03:13
App02:27
App02:20
App01:00
App02:37
App02:21
App02:01
App01:12
App01:20
App01:45
App02:01
App02:00
App01:44
App02:02
App02:56打开App观看
