Kjeld was once one of those fast-track corporate types at BP, the third largest oil company and fourth biggest company in the world.

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Some 500 bands perform on a dozen stages at the Fair Grounds, the horse-racing track that becomes a music stadium once a year.

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Much of the work is expected to be carried out at night, with a so-called factory train laying a mile of new track and cables every night once construction is underway.

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"It's like going to the dentist--try checking at least once or twice a year to make sure you're on track, " Campos said.

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