The process of reconfiguring the music that has been recorded on the mobile phone is as follows:

Tools/materials: Huawei P30, EMUI10, Recording Expert 4.26.

1. Click the edit button in the picture below.

2. Find and click the soundtrack button on the editing page.

3. Click the first button and select a music from the music library.

4. Click the second button.

5. Click the search button.

6. Find the desired background music file through keywords.

7. The third button below the main soundtrack interface can select the recently played recording file as background music.

8. Click the mix button to complete the soundtrack.