If you leave a page, then the music will stop - simple as that. The trick then, is to not leave the page but still enable navigation.

There are a couple of ways you could do this:

1) Setup your page to use an <iframe> and put all your other pages inside it.

2) Use <framset> etc

3) Load content into your pages with AJAX

I'd go with (3) since it avoids any nonsense with links to other sites you might otherwise get inside frames, but it is not a trivial task to get working.

Thank you Jero!
Well, regarding my technical expertise, i think i'll just avoid music on my web site...
But thanks for your swift answer...
nicolas

a theme for this would be perfect. Most people that will host music on there site would want this.