The Beatles have mined some of their more experimental and harder-hitting tracks for a new compilation, "Tomorrow Never Knows," that's available exclusively via iTunes. Besides the title track, the set also includes "Revolution," "Paperback Writer," "And Your Bird Can Sing," "Helter Skelter," "Savoy Truffle," "I'm Down," the version of "I've Got A Feeling" from "Let It Be...Naked," "Back In The U.S.S.R.," "You Can't Do That," "It's All Too Much," "She Said, She Said," "Hey Bulldog" and an alternate version of "The End" the first appeared on "Anthology 3" in 1996. Dave Grohl of Foo Fighters wrote liner notes for the collection, and iTunes is also offering the 1968 video for "Hey Bulldog" as a free stream and for purchase...Also new on the Beatles front is "The Beatles: Their Golden Age," a documentary about the group's history that includes rare footage such as John Lennon reading poetry and Paul McCartney dressing down a newsman for reporting about his LSD use. The unauthorized DVD retails for $9.95.