Sorry, but that's absolutely fruity loopy! The entire point of shutting down the machine is that the user doesn't want it anymore -- spending several seconds playing them nice music instead of getting on with the job is going to seriously piss off most people.
Especially when they realise that it's ONLY playing the shutdown sound! -- Shutdown sound is truncated https://launchpad.net/bugs/61530 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs