1. Open the CoolEditPro software.

2. Open the folder and select the music source file you want to create in the folder to open.

3. In the work area, hold down ctrl A and select the work area.

4. Select the effect above the menu bar, select Sound Wave Amplitude in the drop-down menu, and then select Channel Remix in the right menu.

5. A dialog box will pop up, select VocalCut, so that the background sound can be removed, and click Save As.