John Dornenburg John Dornenberg, the distinguished American viola da gamba player participated as part of the Magnificat ensemble in the complete recording of the works of Cozzolani. Performed in: Chiara Margarita Cozzolani: Christmas Vespers Chiara Margarita Cozzolani: Concerti Sacri (1642) Performed compositions by: Chiara Margarita Cozzolani Chiara Margarita Cozzolani