This is the third full Rock Band brand game released and it's supposed to be compatible with most controllers, including those produced for use with Guitar Hero. There's a solid chance that folks that pick up this game will already have a guitar (at the very least) that will work with this game and the Hofner bass is arguably the most recognizable instrument the Beatles used. People have the option of guitar, bass, vocals, and drums in the game, so it makes sense, to me anyway, to include the bass since most folks likely don't have one. (Yes, a regular guitar controller will work fine, but they're trying to sell the look as well as the music.) They also sell a non-Beatles related bass controller that has a split strum bar so you can walk it with two fingers. Just some info on a game I have fun with, which is really all it is... A game of dexterity and hand eye coordination.

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Put me on wheels and I'll turn tricks.

Clever? Nah, I ran out of that years ago. But if you find this, let me know, k?
"The road goes ever on..." ~ Tolkien

In memory of my friend skip...
Go then, there are other worlds than these