Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.11) Gecko/20100713 Thunderbird/3.0.6
I notice on the download page that the Ubuntu version shown for Lilypond
2.12 is two releases behind (shows Jaunty whereas the current stable
Ubuntu is Lucid), and the included version in the current distribution
is 2.12.3 and not 2.12.1...