I can learn this. It's simple. You can learn it easily by following my steps. Demo mobile phone Xiaomi K30, Tik Tok version 24.5.0.

Step 1: Turn on Tik Tok and click+at the bottom.

Step 2: Click the sticker after entering the video.

Step 3: Click on the lyrics,

Step 4: Add the required music and click Use.

The above is my detailed introduction, I hope it will help you.