Opera Companies
- Bayerische Staatsoper
- Bayreuth Festival
- Classical Opera
- D’Oyly Carte Opera Company
- Deutsche Oper Berlin
- Deutsche Staatsoper Berlin
- Deutschen Staatsoper Berlin
- Drottningholm Theatre
- Early Opera Company
- English National Opera
- English Opera Group
- Glyndebourne
- Hungarian State Opera
- Komische Oper Berlin
- London Early Opera
- Los Angeles Opera
- Maggio Musicale Fiorentino
- Malmö Opera
- Metropolitan Opera
- Nederlandse Opera
- Oper Frankfurt
- Opéra National de Lyon
- Opéra national de Paris
- Opera North
- Opernhaus Zürich
- RCA Italiana Opera Orchestra & Chorus
- Royal Opera House Covent Garden
- Royal Stockholm Opera
- Sadler's Wells Opera
- San Francisco Opera
- Scottish Opera
- Seattle Opera
- Teatro alla Scala
- Teatro Carlo Felice
- Teatro dell'Opera, Roma
- Teatro La Fenice
- Teatro Regio di Parma
- Teatro Regio di Torino
- Welsh National Opera Chorus & Orchestra
- Wiener Staatsoper