打开App
360P
零碎时间学简谱141条，三连音练习：我爱你中国，乐句视唱
简谱教学
零碎时间学简谱142/191
App01:30
App01:31
App01:19
App01:48
App01:24
App01:38
App01:24
App01:22
App01:15
App01:24
App01:27
App01:32
App02:03
App01:23
App01:55
App01:51
App01:43
App02:21
App01:32
App01:21
App01:48
App02:32
App02:19
App02:07
App01:09
App01:46
App01:43
App01:55
App01:43
App01:52
App02:43打开App观看
