The song tells the story of Jesus's birth and calls for spreading the news. Shepherds watching their flocks at night saw a holy light in the sky and heard angels announcing the birth of Jesus. Though the shepherds were afraid at first, the angels reassured them about the Savior's birth. Jesus was born humbly in a manger, and God sent salvation to humanity on that blessed Christmas morn. The song repeats the refrain to go and tell everyone on the mountain and everywhere that Jesus Christ is born.