Benvenuto Cellini, opera, H. 76a, Op. 23: Act 2. Tableau 3. Scene 6. "My Lord we kneel" (Balducci, Fieramosca, The Pope, Teresa, Ascanio, Cellini) by Gimi Beni , Donald Gramm , John Reardon , Jon Vickers , Patricia Wells , Nancy Williams , Opera Company of Boston , Sarah Caldwell