Artist credit “Montserrat Caballé, Astrid Varnay, Philharmonia Orchestra, Riccardo Muti”
This artist credit is composed of the following artists:
- Montserrat Caballé (soprano)
- Astrid Varnay (soprano)
- Philharmonia Orchestra (London orchestra, known as New Philharmonia Orchestra from 1964–1976)
- Riccardo Muti (conductor)