To enable startup sound
Click control gear and then click on Startup Applications
In the Startup Application Preferences window, click Add to add an entry
Then fill the information in comment boxes like Name, Command, and Comment
/usr/bin/canberra-gtk-play—id= “desktop-login”—description= “play login sound”
Logout and then log in once you are done
You can also open it with shortcut key Ctrl+Alt+T.
