Ever since I installed Ubuntu 12.04, I couldn't figure out a way to enable the login sound.
I already have ubuntu tweak installed and I have been at this question, but on my ubuntu, there is not any setting to mute/enable login sound at "Login Settings" tab, only to change the theme.
Also I've tried the following: http://www.ubuntugeek.com/how-to-enable-startup-login-sound-in-ubuntu-12-04-precise.html and http://www.liberiangeek.net/2012/05/enable-gnome-login-sound-in-ubuntu-12-04-precise-pangolin/
None of them worked. Anyone has any idea on why I can't change login sound settings? I'm sure the sound is not muted at login screen.