The recordings made by the Beatles, a rock group from Liverpool, England, from their inception as the Quarrymen in 1957 and to their break-up in 1970 and the reunion of their surviving members in the mid-1990s, have huge cultural and historical value. The studio session tapes are kept at Abbey Road Studios, formerly known as "EMI Studios" until 1970, where the Beatles recorded most of their music. While most have never been officially released, their outtakes and demos are seen by fans as collectables, and some of the recordings have appeared on countless bootlegs. Until 2013, the only outtakes and demos to be officially released were on The Beatles Anthology series and its tie-in singles, and bits of some previously unreleased studio recordings were used in The Beatles: Rock Band video ga