Official Caleb + Kelsey cover of "How Great Thou Art."
Download & stream this song: http://smarturl.it/CKHowGreatThouArt
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Follow Caleb + Kelsey:
Facebook: / calebandkelseyof. .
Instagram: / calebandkelsey
Follow Caleb Grimm:
Twitter: / calebgrimm
Instagram: / calebgrimm
Follow Kelsey Grimm
Twitter: / thekelseygrimm
Instagram: / thekelseygrimm