This popular type of aguinaldo spins out the story of the birth of Christ, including the event that culminates the Christmas season in Puerto Rico, the arrival of the Three Kings on the day of Epiphany. Miguel Santiago and Karol Aurora de Jesús sing: Holy prophecies had announced the recently arrived Jesus, the Messiah. Words of joy were heard there. Shepherds came up to that doorway. With a special tone, the roosters sang.