Enter the change interface, you can generate a picture or take a selfie from the album, as shown in the figure, here I choose a picture from the album.
At this time, we click on the sound, and then click to add background music.
At this time, we will directly enter our music interface, and the system will directly identify your music in your system, and then select the music you need.
After 5, we selected a certain paragraph of this music, and then click Finish, and a pop with background music was added successfully!