How to Add Audio to Google Slides | TIC & Educación | Scoop.it
From www.freetech4teachers.com - January 3, 2018 6:22 AM

AudioPlayer for Google Slides is a free Add-on that will let you add music to the background of a presentation created with Google Slides. The music that you add through the Add-on can loop in the background throughout the course of your presentation. Watch my video to learn how to use AudioPlayer for Google Slides.