Earlier this evening I Tweeted that another of my Google Slides accounts now has access to the native audio feature that Google teased us with earlier this year. I now have it in one of my G Suite Edu domains and in one of my personal accounts. I'm taking this as a sign that Google is starting to roll it out to more users. That prompted me to create this short video overview of how to add audio to Google Slides.
Another Way to Add Audio to Google Slides
If your Google Slides account doesn't have the new insert audio feature, there is a method that you can use to insert audio into your Google Slides presentations. That method is outlined in the following videos.