I have also created listening exercises (link is on the documents) using authentic recordings. (tes.com)
is to say; because it speaks of Jesus, it is our primary and most authentic record of what Jesus did and said, and that I find this man to be amazing. (premierchristianity.com)
It contained the most authentic records of his birth, life, sayings, death, and resurrection, and the documents written by those closest to him in time and sympathy. (religion-online.org)