DJPlaya, thank you. I watched this video:
http://slam.flankers.net
But, that's mean entirely client-sided music, there is nothing to do on server-side, because SLAM require that client already downloaded all music locally.
So, SLAM has no benefits compairing to my DiscoMusicHook Windows tool, that download music to client.
Yes, with SLAM you can prepare music in advance (so clients will not need anymore any separate tool to play music), but there is no opportunity for further music list population from server-side,
but to put somewhere archive with the installer and force all players to download a new archive from your site manually each time you updated something.
Possibly, some autoupdater tool in CS autorun + SLAM (modified to be as a batch silent converter) make sense.