Today in the Divine Office the first of the Great Os is sung as the Magnificat antiphon at Vespers. They are of ancient origin - at least as early as the 8th century I think. The hymn Veni, Veni Emmanuel is base on the Os.
For more info on the O antiphons including scriptural references click here
To listen to O Sapientia click here
Nice research
Posted by: PythonMagus | Thursday, 18 December 2014 at 09:05 AM