Definitely hard to find, I've narrowed it down to (not necessarily in order)
Dolphin - but breaks when I modify it a lot
phpmotion - phpshield is annoying and unfriendly
mediascripts.com/social
rayyz.net
alstrasoft.com video share
mediamaxscript.com audio share or media max
http://www.agriya.com/ volume (also makes rayyz)
These are all great scripts in their own rights but are trying very hard to be social when the goal is to be a music promotion venue.
Right now volume and media max are neck and neck.