According to the experience of querying Baidu, Tik Tok uses his own original music as follows:

1. Open Tik Tok and click the plus sign below.

2. enter the recording page, click on the photo album, and select the video to be made.

3. after selecting the video, click "select music" above.

4. the page pops up, and click the discovery on the right.

5. enter the page, click local, and select local audio.

6. after selecting local audio, click next.

7. Then fill in the relevant information of the video title, and continue to click Publish.

8. After the video is released successfully, we can see in the lower left corner that the original sound here is our own creation.