打开App
360P
经典老歌唱简谱，手把手逐句教唱，粉丝说效果很明显
零基础简谱视唱练习曲23/37
App01:32
App03:59
App03:09
App04:55
App04:32
App05:25
App05:02
App04:03
App03:21
App01:39
App02:54
App02:11
App02:34
App02:44
App05:02
App03:02打开App观看
App01:32App03:59App03:09App04:55App04:32App05:25App05:02App04:03App03:21App01:39App02:54App02:11App02:34App02:44App05:02App03:02
