You can use the "video editing" of Tiantianshang software to combine them. The steps are as follows:

1. Open the software and click "video editing" in the middle.

2. Select the picture to edit in the pop-up page, and click "OK" at the bottom.

3. then select the "music" option at the bottom.

4. Find your favorite music in the pop-up page and add it.

5. then click "next" in the upper right corner.

6. At this time, the software will automatically synthesize the video. Just click "Save" in the upper right corner.

after the video is saved to the mobile phone, it can be sent to the computer, and then it can be played after being copied on the USB flash drive and put on the TV.