1, the recording with music can be completed through the cell phone software recording experts, first of all, open the recording expert software, where click on the Edit button.

2, and then click on the click on the music button.

3, then you need to click the first button to select a music from the music library.

4. From the music library, select a music.

5. Or click on the second button, where you can find music recording files from Recording Expert Local.

6. After clicking on it, you then need to click on the Find button.

7, through the keywords to find the desired background music file.

8, the third button below the main interface of the soundtrack, you can select the recently played recording file as the background music.

9, after opening the file, select a played music file here.

10, finally, you need to click the mix button in the interface, you can complete the soundtrack.