Wednesday on TV

CMA Music Festival: Country's Night to Rock (7 p.m., Ch. 4): Scheduled performers include Trace Adkins, Jason Aldean, Billy Currington, Alan Jackson, Lady Antebellum, Miranda Lambert and Reba McEntire. (Taped)

Great Performances (7 p.m., Ch. 7): Soprano Renée Fleming and baritone Dmitri Hvorostovsky perform at various venues in Russia.

Dark Blue (7 and 9 p.m., TNT): Jamie poses as a drug addict to infiltrate a ring of thieves.

America's Got Talent (8 p.m., Ch. 5): Five acts advance to the finals.

Plain Jane (8 p.m., Ch. 7): Louise helps a woman who lost 100 pounds get ready to meet her crush.

A Surprise In Texas: The 13th Van Cliburn International Piano Competition (8:30 p.m., Ch. 7): Highlights and backstage clips from the competition.

Top Chef (11 p.m., Bravo): The contestants have to come up with delicious food for outer space.

Psych (11 p.m., USA): Shawn runs up against a man whose profiling skills rival his own.