Music mystery of Da Vinci Code chapel cracked By Richard Alleyne Last Updated: 2:05am BST 01/05/2007 A Scottish church featured in The Da Vinci Code is embroiled in a fresh mystery of secret codes and heretical knowledge - but this one could be more than mere fiction. An ex-RAF codebreaker and his composer son say they have deciphered a musical score hidden for nearly 600 years in the elaborate carvings on the walls of Rosslyn Chapel. Rosslyn Chapel, theories connect it with the Holy Grail, the Ark of the Covenant and the head of Christ The pair believe the tune...