So as to enter this page, don't shoot yet, because we need to shoot for a longer time and click on all kinds of music under "Choose Music".
Choose a music that takes a long time, so that the music needs to be played, and the time will naturally be longer, and then click "OK to use".
This page is the addition of special effects, if you don't need to click at will.
Then you can start shooting, there are two kinds-"click" or "long press", choose what you need.
This is mainly the recording process. After shooting a long video, click "Next" in the red box on the upper right.
The songs on the page are listed at the top, "release", which will take a long time.