ff. 1-13. ‘Magnificat anima mea Dominum’; for 4 voices, with a figured bass for organ, in score, by Francesco Durante. In the hand of Abbate Fortunato Santini. ff. 14-42. 'Credo,’ for 4 voices, with violins and a figured bass for organ, in score, by Leonardo Leo. In the hand of Abbate Fortunato...