Seemingly huge in scope, "Nashville" takes on the country music scene and politics and wraps it up in a soapy bow. Connie Britton and Hayden Panettiere play rival singers of different generations in an ensemble that also includes Powers Boothe, Charles Esten, Eric Close, Clare Bowen, Jonathan Jackson, Sam Palladio and Robert Wisdom.

Exec producers Callie Khouri ("Thelma and Louise"), R.J. Cutler and Steve Buchanan will be the latest to try to mix together music and melodrama in network primetime. "Nashville" takes the 10 p.m. Wednesday slot vacated by "Revenge," which is moving to Sunday.

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