How to play System Audio through a Microsoft Teams Live Event
A helpful feature available in Teams meetings is the ability to share your PC’s audio with the other members of the meeting. However, this feature is absent from Teams Live Events (where it would arguably be more useful). Fortunately, this feature can be recreated with a third-party program and a few settings changes.
NOTE: Microsoft has updated this feature in Teams Live events. You can find more information about the updated solution here.