Fast hand record a video playing a musical instrument how can you mix it up

For example, if you have two cell phones, one can record a video of you playing a musical instrument and then put on your headphones to listen to the rhythm, and the other can listen to the video of the first cell phone while recording the other musical instruments, and then you can put the five videos on the right track to merge them together.

In this era of self-media, the flow is the king of the flow is equal to the revenue, to do those teaching video, share what video editing dry goods, is nothing more than a diversion, are to attract traffic, there are so many video editing tutorials on the Internet, they out of the tutorials is to give the newcomer to bring the convenience, but the purpose is also to attract traffic to their own.