The son of two Church of England vicars, as a boy Tom McRae sang in the church choir. Even though he has not pursued his parents' faith, the singer-songwriter retains fond memories of attending midnight mass on Christmas Eve. He explained: "Even an atheist can have fun singing carols and being drunk at midnight mass. At least me and the priest had that much in common. This might be the happiest song I've ever written, which makes a change."