It's amazing the hype that one little screen grab can generate. Following the release of a Green Day Rock Band demo to Xbox Live gold subscribers, a wave of keyboard-related rumours have sprung up in the webiverse.

And it's all because the...

Harmonix may have just announced Rock Band 3, but before that arrives there's the small matter of Green Day Rock Band for the company to contend with. The title, which we first heard word of back in December, will be arriving on shelves on 8 June.

That...