EA today formally unveiled The Beatles: Rock Band, the first purely digital title of any type to include the British rock group's music. The game will move through a chronology of the Beatles' songs and is now known to be launching alongside a new set of custom instruments based on those preferred by each of the four core band members. Which instruments will be included aren't known but may include a replica of John Lennon's Epiphone Casino (pictured) used from 1966 onwards.

All earlier Rock Band controllers will work, EA says, as will most add-ons from Guitar Hero and others that share a similar control scheme.

The game and matching peripherals will be available on September 9th for the PlayStation 3, Wii and Xbox 360; while the game itself will be sold for $60, individual guitars will sell for $100 each. There will also be a Limited Edition Premium Bundle version of the Beatles game that includes multiple instruments for $250.