This is the solfa notation of “Once in royal David’s city”
Once in royal David’s city s t d’ d’ d’t’d’t d’ r’ r’ d’
Stood a lowly cattle shed d’ m’ s’ m’ m’r’d’t d’
Where a mother laid her Baby s t d’ d’ d’ t d’ r’ r’ d’
In a manger for His bed: d’ m’ s’ m’ m’r’ d’t d’
Mary was that mother mild l’ l’ s’ d’ f’ f’ m’
Jesus Christ, her little Child l’ l’ s’ d’ m’r’ d’t d’