"That's the Beat of a Heart" is a song by American country music duo The Warren Brothers featuring RCA Nashville artist Sara Evans.

The song was penned by Tena Clark and Tim Heintz and produced by Chris Farren.

The song was released to country radio on March 27, 2000, as the lead single from their second studio album King of Nothing (2000) via BNA Records.

"That's the Beat of a Heart" would nominated for Vocal Event of the Year at the 2001 Academy of Country Music Awards, which it lost to Lee Ann Womack and Sons of the Desert's "I Hope You Dance".

[4] The music video was directed by Shaun Silva and filmed in Franklin, Tennessee.