The Beatles Rock Band Premiered at the Microsoft press conference, touting multiple vocal tracks as well as the September 9th 2009 release date.  Harmonix is revamping the oversaturated music game genre with a 45 song playlist, and newly designed instruments, as well as downloadable albums.  Abbey Road is the first of the albums to be released of the game’s DLC packs.  A partial song list is available below.

I Wanna Hold Your hand

Day Tripper

Taxman

I Am the Walrus

Back in the USSR

Octopus Garden

Here Comes The Sun

Get Back