1. First, we open the live broadcast software, find the sound option in the settings, turn on the system sound, and then we can set the speakers or default. After the setup is completed, we close the setup interface.

2. Download any music playing software on the computer, set the song list, and then click Play. Remember to turn the sound to a moderate level to avoid being too loud or too small.

3. After that, we click on the live broadcast software to see the microphone and system sound settings below, and adjust the volume as needed. Finally, we turn on the live broadcast. At this time, the audience can hear the music being played by our computer.