How can I implement a project I explain below in SMIL?

Question

Hi,

I  want to implement a program with SMIL which I explain in more detail below:

I want to display three pictures in slideshow mode (every picture displays for 5 seconds) and while the slideshow is running a music plays in the behind of slideshow ,  so please guide me how can I use SMIL code to implement this project.

Thank you.