Need to add music from Tik Tok's works. You can use Tik Tok music or local music. The following is a demonstration of the operation process of adding music to the work with Tik Tok 14.9.3 version:

First, create a work interface and click the "Music" icon at the top.

2. After opening the song list, find a favorite music among Tik Tok songs, click Apply, and then click the scissors icon.

Third, drag the music left and right to the appropriate music clip and click the check mark.

Fourth, as shown below, you can add a piece of custom music to the work at this time.