Giussani, Luigi. “The Greatest Amen in Musical History.” In Stabat Mater, by Giovanni Battista Pergolesi, 11-13. Sopran: Margaret Marshall, alto: Lucia Valentini Terrani. Performed by: London Symphony Orchestra. Conductor: Claudio Abbado. Spirto Gentil, 1. [S.l.]: Deutsche Grammophon, 1997. [Cd-Audio + booklet].