2. after entering the setting interface, you can see "upload local accompaniment" and click the button.
3. after filling in the information related to lyrics and songs in the interface of uploading local accompaniment that appears, click the "select file" button under "accompaniment file".
4. click the "select music" button in the pop-up interface for selecting accompaniment music.
5. Select the accompaniment music in the mobile phone.
6. click the upload button to upload the accompaniment music.
7. You can see the prompt when the uploading progress is completed. The uploaded accompaniment is successful.