There are lots of regulation courses in South Africa, all developed that will help you come to be the best it is possible to be in any region on the regulation.在练习之前，我们还需要了解一个只是，就是我们的左手按好和弦之后，右手应该怎么弹奏的问题。为了减轻大家的负担，我不讲什么乐理知识�