"It appears to us to be a cunning ploy to hype up Xbox 360 titles before Xmas." Shows just how well researched your articles can be sometimes. They were here LAST year, and the earliest tour date on their site is the 6th of July 2005.

Give the right game's soundtrack orchestral treatment and wonderous things can happen. Final Fantasy, (I hate to say it but..) Mario to name a dozen. Search using your favourite engine for "orchestral game concert" and give the idea a chance. The plinky beepiness which is your frame of reference was a limitation of the hardware, not the composer! (and if you were trying to be funny, then sorry, you weren't)