1.

First download the "Music Editing" software on your mobile phone and open it. After opening, the local music in your mobile phone will be automatically recognized.

2.

Then select the song you want to edit in the music, click the pen button on the right, and select "Edit Music" in the pop-up menu bar.

3.

After entering the music, you can see two dots in the lower left corner and upper right corner. Finally, push the content to be edited. After selecting, click the check mark on the right. Editing can be completed.