Carrie Underwood & Luke Bryan announced for 2013 CMA Festival

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Lady Antebellum, Little Big Town, Luke Bryan and Carrie Underwood are the first four artists confirmed for this year's CMA Music Festival.

Bryan co-hosted the festival's nightly concerts with The Band Perry's Kimberly Perry for an ABC television special last year.

The four-day event kicks off June 6 in Nashville. More artists are expected to be announced soon.

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