Christmas songs

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Across
  1. 6. It is the second song in the whole world to be heard on the radio.
  2. 7. The number one Christmas song this year
  3. 8. A code to teach about Jesus during the holy roman empire.
Down
  1. 1. This song was originally known as "carol of the drum""
  2. 2. Originally written as a thanksgiving song.
  3. 3. written by Puerto Rican singer-composer Jose Feliciano, who was born blind
  4. 4. This song was a response to "Rudolph the red nosed reindeer".
  5. 5. George Michal wrote this song in his childhood bedroom