You only need to set the background music and it will automatically play when others enter the space.
How to add QQ space background music:
1. Open QQ space through QQ software. First, find the My home page option at the top of the page, click on it, and a drop-down menu will appear. Select as shown in the picture. Click the music option shown and go to the next step of QQ Music.
2. Enter QQ Music and click on background music. This option can be selected to select music in the library and add network background music according to the settings. Click "Add Internet Background Music", and a dialog box will pop up, and you can enter the address of the song. This is what we want to add. Find the address of the song you like and add it to play.
3. After the addition is successful, you will be prompted and the successfully added songs will be displayed below. Refresh the QQ space and you will find that the songs just added can be played. Others can also hear music when they join your space.