While in Zoom, click on the green Share Screen at the bottom of your screen.
It will ask you to “Select a window or application you want to share”
Locate the MP3 file that you want to share and click on it. Participants will be able to hear the audio file.
NOTE: It’s most helpful to have the location of the MP3 file open for easy access.
To get out of Share Screen, hit the red Stop Share button. You will be brought back to the participants.
MP3 files can also be hyperlinked and shared in Chat.
WongTechTips 