Giussani, Luigi. “The Echo of Another Beauty.” In Sinfonia n. 9 “Corale”, by Ludwig van Beethoven, 13-14. Sopran: Anna Tomowa-Sintow, Alto: Agnes Baltsa, Tenor: Peter Schreier, Baritone: José van Dam, Choir: Wiener Singverein. Performed by: Berliner Philarmoniker. Conductor: Herbert von Karajan. Spirto Gentil, 27. [S.l.]: Deutsche Grammophon, 2003. [CD-Audio + booklet].