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Bands are playing and the Borg Warner Trophy has been rolled out onto the strip of bricks that comprise the start/finish line.
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Also lined up on the grid are four former Indy 500 winning automobiles that will be part of the pre-race parade.
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There are plenty of celebrities on hand. Jack Nicholson strolled down through the starting grid to get a close-up look at the 33 race cars. He'll be the honorary flagger for today's race.
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David Letterman and Bobby Rahal, co-owners of Rahal Letterman racing are here. Bobby's son Graham is now driving for the team.
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Mark Wahlberg is also here. He will get to ride in the Indy 2-seater, driven by Michael Andretti, ahead of the rest of the grid during the warmup laps.
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While the cars were being moved to the grid, Mark Wahlberg and Mario Andretti went up to the front and chatted while sitting on the 2-seater.
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Then the drivers were all introduced and took seats at the start/finish line for the rest of the pre-race festivities.
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Florence Henderson sang "God Bless America."
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Jewel sand the Star Spangled Banner.
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Then four fighter jets flew down over the length of the main straight away.
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Finally, Jim Nabors sang "Back Home Again in Indiana".
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And then it was time for Jack Nicholson to wave the green flag to start the most famous auto race in the world.