In the "qqmusic" folder, the query steps are as follows:

1. On the mobile phone desktop, click to open the "File Management" application.

2. In the file management application, find the phone's memory device, which is internal storage or a built-in SD card.

3. Click to open the memory device and look for the folder named "qqmusic".

4. Click to open the "qqmusic" folder, and you will see some subfolders and files.

5. Find the folder named "song" and click to open it.

6. In the "song" folder, you can find the song files downloaded from QQ Music.