1. First, after opening the Tik Tok homepage, click the plus icon at the bottom. After entering the work shooting page, click the live broadcast option on the lower right.

2. Secondly, select the live video and click the Start Live Video option at the bottom of the page. Wait for the three-second countdown, and the live broadcast will officially begin. Click on the three dot icons in the lower right corner.

3. Finally, in the pop-up window, find the music in the interactive ability and click it. After entering the next page, select your favorite music, click the song button behind the song, and the music will be played in the live broadcast room.