Missa Sacrum, RV 586: Vb. Agnus Dei: Adagio "Agnus Dei". Allegro non molto "Dona nobis pacem" by Anne Collins , Robert Holl , The John Alldis Choir , Margaret Marshall , Anthony Rolfe Johnson , Adrian Beers , John Constable , Olga Hegedus , English Chamber Orchestra , Vittorio Negri