Lichfield Cathedral Choir Advent Quiz 2018

Matrix CodesAdvent 2018 sees the most challenging penitential quiz yet: each day has two stages and the daily time limit means that there are just 24 hours to complete each day's puzzle.

At midnight on each of the 23 days of Advent (which runs from 2-24 December this year), a ciphered version of the dedication of one of 23 different pieces of music from our repertoire will be published here. It can be accessed via the relevant link below and through tweets and posts to our Facebook page.

Each day, a different substitution cipher of varying obscurity will be used to encode the dedication. A substitution cipher means that the letters are altered to different letters, numbers, or symbols, or groups of these, but the encoded version of each letter remains in the same place (unlike a transposition cipher).

The answer to each day's puzzle will be the title of the work and its composer, and entries will be accepted from the moment the cipher appears to 23:59 on the same day. People can enter as many times as they like during the day, but only their final answer will be counted.

For example, if the cipher published was

6 15 18 / 1 12 1 14 / 7 18 1 25 / 1 14 4 / 20 8 5 / 3 8 15 9 18 / 15 6 / 20 18 9 14 9 20 25 /
3 15 12 12 5 7 5 / 3 1 13 2 18 9 4 7 5

it could be decoded using the simple 1=A, 2=B, etc. substitution cipher.

This would reveal the dedication to be

For Alan Gray and the Choir of Trinity College Cambridge

And then answer that would need submitting would be

Three Motets (Opus 38) by Charles Villiers Stanford
(references to Justorum animae, Caelos ascendit hodie, and/or Beati quorum via would also be accepted)

To make matters easier, there are a couple of criteria and details of encoding which may help:

  • Each piece of music is published officially (for example, there are no manuscript editions used)
  • the music has all been sung by the Cathedral Choir at a service in Lichfield Cathedral since 1 January, 2018, or features on their new Christmas CD
  • When the dedications have been encoded, punctuation and accents have been removed
  • spaces between words are indicated by slashes or spaces to ensure each word can be clearly identified
  • capital and lower case letters have been used if the cipher differentiates between them
  • there are some ciphers which cannot encode numerical characters, so numbers appear within these ciphered dedications as plain text

There will be daily winners selected at random from the correct answers, and one overall winner with the highest number of correct answers. Because of the theme of this quiz, we are delighted that Bletchley Park, the home of the World War Two Codebreakers, has kindly offered two tickets as the grand prize. More details about Britain's once best-kept secret can be found at Both daily winners and the overall winners will be named on Christmas Day. Details of the winners, along with the answers, will be available here.

  1. Sunday 02 December
  2. Monday 03 December
  3. Tuesday 04 December
  4. Wednesday 05 December
  5. Thursday 06 December
  6. Friday 07 December
  7. Saturday 08 December
  8. Sunday 09 December
  9. Monday 10 December
  10. Tuesday 11 December
  11. Wednesday 12 December
  12. Thursday 13 December
  13. Friday 14 December
  14. Saturday 15 December
  15. Sunday 16 December
  16. Monday 17 December
  17. Tuesday 18 December
  18. Wednesday 19 December
  19. Thursday 20 December
  20. Friday 21 December
  21. Saturday 22 December
  22. Sunday 23 December
  23. Monday 24 December

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