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(TMZ) - Emmylou Harris has new material for her next hit  ... she just pled no contest in her hit-and-run case, reports TMZ.

Harris allegedly hit a car on an LA freeway back in October, 2012 and then sped off.   Her defense - she didn't realize she had struck another car.  Yeah, it's thin.

Harris just pled no contest to a lesser crime - failing to provide information to the other driver at the scene of an accident.  She was also ordered to pay $5k to the victim by the end of the week.

The crime is an infraction, so Harris will not even be placed on probation.

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