We recently covered how to play background music across slides. There have been many requests to cover similar feature for videos (most recent request came from my friend Dr Ravikant Zala). Here is how you do it. It is not as simple as audio, but it is easy enough.
This is a common requirement. Let us say you have a self-running presentation displayed in your company reception or in your booth in a trade show.
You want some nice background music to play in the background. The slide show should never stop and the music should never stop.
Here is how you do it.