Many fans of "Rock Band" probably wonder how fun the upcoming version featuring a career-spanning game featuring the music of The Beatles is going to be. After all, once you've perfected Iron Maiden's "Run To The Hills" on the highest level, The Beatles' tunes probably don't sound like they would technically measure up. But after this commercial, which implies you could go through all the Fab Four's most notable creative and successful phases, you might change your mind. Check it out for yourself.