askubuntu: disable login screen drum beat

[Thufir Hawat]

I'm looking at:

http://askubuntu.com/questions/24946/how-do-i-disable-the-drum-beat-sound-
on-the-login-screen

which has been asked, but not really answered.  Or, it's a bug?  Anyhow, 
none of the options are available to me.  Any pointers?  Purge GNOME?



Thanks,

Thufir
Ubuntu 10.10 maverick