Sheryl Crow, Martina McBride to headline Freedom Over Texas event on 4th of July

Martina McBride (left) arrives to the opening night of the Broadway show "Ghost The Musical" in New York, Monday, April 23, 2012. (AP Photo/Charles Sykes) Musician Sheryl Crow arrives at the 48th Annual Academy of Country Music Awards at the MGM Grand Garden Arena in Las Vegas on Sunday, April 7, 2013. (Photo by Al Powers/Invision/AP).

April 8, 2013 12:26:22 PM PDT
Two huge music stars are set to headline Houston's annual Fourth of July celebration.