For those who did not work with him,,(the sound icon)follow this FIX..
go to: System/Preference/Startup Applications
Name = anything you want
command = /usr/bin/pulseaudio
comment = anything you want
logout or reboot .. and Enjoy : P
*if did not work : remove or delete (PulseAudio Sound System) from the list
this is old but i share it with you