This Epic A Cappella Version of 'How Great Thou Art' Will Probably Leave You in Tears (VIDEO)

(Screenshot: Sam Robson/YouTube)

When he's not taking part in the British a cappella group Vive, Sam Robson records hymns for YouTube. Here, he takes on the challenge of making one of the most beloved hymns in history, "How Great Thou Art," into an unforgettable performance all his own. Well, he nails it.

With no other accompaniment than his own voice, Robson dives in with a passion befitting a song about God's greatness.