Apple's iTunes Store is offering a free song and video by Beatle member Paul McCartney for one week only. The track "Nod Your Head" is from McCartney's "Memory Almost Full" album and comes with a promotional video, according to Macworld UK. Apple is also offering songs from McCartney's performance at the iTunes Festival which include "Coming Up," "House of Wax," "Jet," and more. Word of McCartney's free track arrives just as rumors are becoming even more abundant about the possibility of the Beatles music catalog arriving on the iTunes Store. Apple yesterday confirmed a special event where it is expected to unveil new iPods, and used an invite with the tagline "The beat goes on" which coincides with a press release issued just after the Beatles broke up in 1970.