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Special guests will include Ashton Shepherd and the Carter Twins. The concert is open to the public and tickets are now on sale for $30. Tickets can be purchased online at cmmarathon.com, the Sommet Center box office, through TicketMaster charge-by-phone at (615) 255-9600 or at ticketmaster.com. All race participants receive free access to the show and there is still time to register online for the marathon or half-marathon at cmmarathon.com.