Two things: * That means that the owners of Futurama should own the copyright to these lyrics, so they're only free for their use. They could have a copyright

Two things: * That means that the owners of Futurama should own the copyright to these lyrics, so they're only free for their use. They could have a copyright claim if you go around singing their lyrics. * The melody of "Happy Birthday" come from an older song called "Good Morning to All" which is why the tune itself (independent of the lyrics) is probably okay to use. [1] I have known of other businesses that made up their own lyrics with the same tune for this reason. [1] http://scholarship.law.gwu.edu/cgi/viewcontent.cgi?article=1303&context=faculty_publications http://scholarship.law.gwu.edu/cgi/viewcontent.cgi?article=1...