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Tim McGraw hosts "CMA Music Festival: Country's Night to Rock" scorching hot performances from more than 20 acts. See all the action Wednesday, Sept. 1 on AB...

Subscribe: Music's biggest stars are coming together on one stage for one night at "The 49th Annual CMA Awards" – Country ...

CMA Music Festival: Country's Night to Rock: With Jason Aldean, Stephanie Attanasio, The Band Perry, Dierks Bentley.

CMA Music Festival: Country's Night to Rock: Directed by Gary Halvorson. With Jason Aldean, Dierks Bentley, Kix Brooks, Luke Bryan.

Country stars discuss CMA Fest 2016: as Luke Bryan, Carrie Underwood, Maren Morris, Little Big Town, Dierks Bentley, Kelsea Bal...

CMA Music Festival: Country's Night to Rock: Directed by Gary Halvorson. With Alabama, Alan Jackson, Big & Rich, Blake Shelton.

CMA Music Festival: Country's Night to Rock: Directed by Gary Halvorson. With Jason Aldean, Julianne Hough, Brad Paisley, Kellie Pickler.

CMA Music Festival: Country's Night to Rock: Directed by Gary Halvorson. With Jason Aldean, The Band Perry, Dierks Bentley, Zac Brown.

Building from its first hour to its final hour by 10 percent in Total Viewers and by 20 percent among Adults 18-49, the "CMA Music Festival: Country's Night to Rock" won the 10 o' clock hour over NBC's "Night Shift" by 1.0 million viewers and by 50 percent in Adults 18-49 (1.2/5 vs. 0.8/3).

Little Big Town members Fairchild, Phillip Sweet, Jimi Westbrook and Kimberly Schlapman first entered the music scene over 13 years ago with hits like " Boondocks," "Bring It On Home," "Good as Gone " and the single nominee Grammy, " Little White Church. " the fifth studio album of the quartet, " Tornado", was released on September 11, 2012 and debuted at …