1. After entering WeChat on your mobile phone, click the three vertical dots icon on the right side of WeChat. My photo album, my collection, etc. will pop up. Click My Collection.

2. In My Collection, click the + icon in the upper right corner and select the file.

3. Then in the file selection box, you will enter the file management of your mobile phone and select the Me and My Motherland accompaniment mp3 audio file.

4. How to send it in the end? In the chat box with the person, select My Collection, enter the My Collection interface, select the audio file, and send it.