The steps to add music and text to the video are as follows:

Tools/materials: iphone15, ios14.1.12, and Clipping 11.5.1.

1. Open the clipping.

2. Add a video. After preparing the video clip, click the "Start Creation" button, select the video file and open it.

3. Add background music to the video. Click the Add Audio button in the Audio panel, select Add Background Music, select the audio file to be added and open it. Audio can be modified by selecting the audio option to be modified and setting the box on the right side of the audio list.

4. Add subtitles to the video and apply subtitle effects.

5. Just export.