opera | Metropolitan Opera | Royal Opera House | Sydney Opera House | Chamber of Deputies | Vienna State Opera | San Francisco Opera | New York City Opera | chamber music | The Phantom of the Opera (1986 musical) | The Threepenny Opera | Opera | Chamber of Commerce | Doctors (soap opera) | Falstaff (opera) | Paris Opera | Royal Swedish Opera | Opera Australia | Gotham City | Lyric Opera of Chicago | Boris Godunov (opera) | The Beggar's Opera | Tannhäuser (opera) | Santa Fe Opera | opera house | Houston Grand Opera | Zurich Opera | Opera North | International Chamber of Commerce | Dallas Opera |
Edelman has served on many Boards of Trustees of art and educational institutions including past Chairman of the Board of Brooklyn Academy of Music, Vice Chairman of American Ballet Theatre, Vice Chairman of the Alvin Ailey Dance Theater, Chairman of the Karole Armitage Dance Group, board member of the Prix de Lausanne, Gotham Chamber Opera, and many others.
The Gotham Chamber Opera presented Il mondo della luna at the Hayden Planetarium in New York City in January 2010, transforming the planetarium into an opera house using the 180-degree dome and projections courtesy of NASA; the director was Diane Paulus.