ICloud music library. The singing function of applemusic can be set by saving it in iCloud music library, as follows:

1. Open the AppleMusic application and enter the personal account page.

2. On the personal account page, click the "Settings" button in the upper right corner.

3. On the settings page, find the "iCloud Music Library" option and open it.

4. After opening the iCloud music library, your AppleMusic singing records will be automatically backed up to iCloud.