Lady Antebellum, Tim McGraw and Keith Urban have been added to the lineup of the Houston Livestock Show and Rodeo concert series. McGraw will perform on March 7, Urban will appear on March 10 and Lady Antebellum will play on March 11. Other country artists on the roster include Clay Walker (March 1), Trace Adkins (March 2), Sugarland (March 3), Billy Currington (March 5), Martina McBride (March 9), Rascal Flatts (March 10), Gary Allan (March 12), Kid Rock (March 14), Miranda Lambert (March 16), the Zac Brown Band (March 17), Alan Jackson (March 18), Brad Paisley (March 19) and Jason Aldean (March 20). Selena Gomez, Janet Jackson and Kiss are also part of the event's musical lineup at Houston's Reliant Park. Tickets go on sale Saturday (Jan. 15).