I Believe In Father Christmas

Some people say it's a protest song about the commercialisation of Christmas, others that it's anti religious.

I Believe In Father Christmas is neither, although lyricist Peter Sinfield concedes it does include a touch of cynicism.

But ultimately it's a song of joy and hope.

When Greg Lake co-wrote it in 1975 he had embarked on a solo career away from Emmerson, Lake & Palmer.

Those around him at the time, including songwriter Peter Sinfield and broadcaster Bob Harris, recall how repeating a simple acoustic guitar exercise led to this giant of a...