Eric Church and Keith Urban perform onstage during the 50th Academy Of Country Music Awards

Eric Church and Keith Urban perform onstage during the 50th Academy Of Country Music Awards at AT&T Stadium on April 19, 2015 in Arlington, Texas. 

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Watch the joint performance of "Pledge Allegiance To The Hag" and "Raise 'Em Up."

The 50th ACM Awards kicked off with two solo male country superstars, co-hosts Luke Bryan and Blake Shelton, introducing two other solo male country superstars, Eric Church and Keith Urban, the latter of whom combined for an energetic joint performance to open the show.

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Church and Urban wound the clock back to Church's first album, 2006's Sinners Like Me, to perform the Merle Haggard salute "Pledge Allegiance To The Hag." AT&T Stadium then got raised up when Urban took lead for the duo's collaboration "Raise 'Em Up," with Taylor Swift shown joyfully watching the performance from the crowd.

Watch the full performance from Sunday night's ceremony from Arlington, Tex. below: