Roots-music purists love to complain about their inability to distinguish current Nashville product from poppy Top 40 fare.
This 20-year-old Georgia native never knew there was supposed to be a difference; her boots-and-beats debut is equal parts Carrie Underwood and Christina Aguilera. Jessie James falters on a handful of snoozy power ballads but plays one heck of a small-town sex kitten on up-tempo numbers like ''Blue Jeans,'' where she claims her tight pants get her into the club for free, and ''My Cowboy,'' a sly country-rap jam co-written by Jamey Johnson and produced by John Rich.
