Recording "Fierrabras, D. 796: Akt I. Nr. 4 Ensemble. e) Quartett mit Chor: »Dem Erfolg vertrauen« (Ritter, Ogier, Karl, Emma, Eginhard, Fierrabras, Roland)" by Franz Schubert (composer); Josef Protschka (tenor), Karita Mattila (soprano), Cheryl Studer (soprano), Robert Gambill (tenor), Thomas Hampson (baritone), Robert Holl (bass-baritone), László Polgár (operatic bass), Arnold Schönberg Chor, The Chamber Orchestra of Europe, Claudio Abbado (conductor), Josef Protschka, Karita Mattila, Cheryl Studer, Robert Gambill, Thomas Hampson, Robert Holl, László Polgár, Arnold Schoenberg Chor, Chamber Orchestra of Europe & Claudio Abbado