Habilitar o som de login ao Ubuntu 12.04 LTS

De o comando no terminal
gedit ~/.config/autostart/GNOME-Login-Sound.desktop

Cole as linhas abaixo no arquivo aberto,salve e reinicie a sessão
[Desktop Entry]
Type=Application
Name=GNOME Login Sound
Comment=Plays a sound whenever you log in
Exec=/usr/bin/canberra-gtk-play --id="desktop-login" --description="GNOME Login"
OnlyShowIn=GNOME;Unity;
AutostartCondition=GSettings org.gnome.desktop.sound event-sounds
X-GNOME-Autostart-Phase=Application
X-GNOME-Provides=login-sound
X-GNOME-Autostart-enabled=true
NoDisplay=true
Name[pt_BR]=GNOME-Login-Sound.desktop

nodes