"To enable it, right click the Ubuntu menu from your panel and
click "Edit Menus". A new window titled "Main Menu" should appear.
From the left pane, click "System". In the right pane, you should
see the Preferences, Adminstration, and Control Center. Check the
box next to control Center, and you now will be able to see it
under the System menu.
"Music Player Applet
"The music player applet allows you to control your music player
from your panel and gives you information about the current track.
It has a wide range music support, so don't worry if you're using
something a bit different from everyone else."