Kuaishou can add music. The specific operations are as follows:

1. Click "Record" in the upper right corner of "Kuaishou".

2. Select the "Music" symbol in the lower right corner of the "Recording" interface.

3. Search for the music accompaniment you want to add.

4. Select the desired accompaniment.

5. Select "Use and start shooting" in the lower right corner.

6. Click the button in the middle at the bottom to start recording a video with music.