Giussani, Luigi. “The Mercy of Being.” In Miserere, by Gregorio Allegri. Missa Papae Marcelli, by Giovanni Pierluigi da Palestrina, 15-16. Performed by: The Tallis Scholars. Conductor: Peter Phillips. Spirto Gentil, 37. Milano: Società Cooperativa Editoriale Nuovo Mondo/Universal, 2006. [CD-Audio + booklet].