To set a background song during the navigation of a virtual tour, you can follow these steps Virtual Tours -> Lists Tours-> Edit Tour.
Go to tab Contents.
To upload a new song as an MP3 file in the Song field, follow these steps:
Make sure you have the desired MP3 file saved on your device.
Click on the "Upload new Song" button to open a file selection dialog.
Wait for the upload to complete, and the chosen song should now be associated with your virtual tour.
Remember to ensure that you have the necessary rights and permissions to use the chosen background song in your virtual tour, especially if it is copyrighted material.