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The worst sin would be not to take any chances.

 The Edge

I could geek out about their show production almost as much as their music.

There's never been anything this expensive.

The way all the various systems (performer, lights, cameras, screen, stage gear, etc.) have to work together when the show is on, plus then be able to tear it down, pack it all up into trucks and move it to the next stadium quickly is incredible.

U2 360° - Creating The 360 Tour