1. In addition to paying for music, apple can also choose to be a music player, and at the same time, you can import genuine iTunes-formatted (acc) music downloaded from the Internet into your mobile phone through iTunes.

2. first open iTunes, select music and then select album.

3. Drag the song album folder downloaded from the Internet directly to the album on the left panel. After dragging, the music file will be copied to the media library in Itunes, and the previous folder can be deleted. In the future, iTunes will be used to manage the music media files.

4. Delete the songs you don't want to listen to in your mobile phone. After selecting the music, select Delete from the database, as shown in the following figure: