Point taken about moving the work to the client when there's millions of users hammering on the web site.

I know about WP, Joomla and Drupal. Especially Wordpress: I have several web hosting customers using it and it does let them get on with building their own sites without me having to get involved much.

I don't understand the issue about playing audio - the HTML5 audio element plays audio and doesn't need PHP or separate areas for each user. But we're drifting way off topic...