Artist credit “Chor der Bayreuther Festspiele, Karl Ridderbusch, Orchester der Bayreuther Festspiele, Pierre Boulez”
This artist credit is composed of the following artists:
- Chor der Bayreuther Festspiele
- Karl Ridderbusch (operatic bass)
- Orchester der Bayreuther Festspiele
- Pierre Boulez (composer and conductor)