Picture Puzzle

updated 03/12/2008 AT 01:00 AM EDT

originally published 03/12/2008 AT 01:00 AM EDT

KEITH URBAN SAVES THE WORLD
The singer is doing his part to help the planet. At left, he raised awareness by jamming at the Live Earth concert in New Jersey last July. While on the road for the Love, Pain & the Whole Crazy Carnival Ride tour, his vehicles (12 trucks and five buses!) all use eco-friendly biodiesel fuel.

6 CHANGES ... KEEP SCORE

1. The question mark on Urban's T-shirt is now an exclamation point.
2. His guitar has lost a knob.
3. There's a smiley face inside the top right tire.
4. Urban's biceps tattoo is gone.
5. The tire behind the drummer has changed from blue to red.
6. The cameraman has vanished.

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