1. Click the music icon -->Effects button to add various audio effects.

2. Click the music icon -->Background Music button-->Add Music button to add background music. 

On the Add background music page, click “+” button to directly add background music, or click the Upload music button to add external audio files. (You must make sure you have copyright permission for any music you use in your live stream.) You can also select the play mode, and adjust the volume of the background music on the mini player.