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学吉他弹音阶，弹好音阶后我们能弹哪些呢？看看我怎么给儿子弹！
三个视频 解决指板音阶4/11
App14:50
App14:15
App17:36
App06:24
App17:01
App07:24
App06:55
App15:02
App10:23
App10:16
App08:33打开App观看
App14:50App14:15App17:36App06:24App17:01App07:24App06:55App15:02App10:23App10:16App08:33
