General information on operas can be obtained from the following Internet addresses:
http://www.operissimo.com/

http://operabase.com/en/

http://eur.com/theatre/

http://www.fsz.bme.hu/opera/

http://www.operastuff.com/

http://www.operaphile.com/

http://www.teatrosancarlo.it

Information on libretti can be obtained from the following address:

http://opera.stanford.edu/main.html

List of Opera Houses present in the Euroradio Season
Links to opera houses

For the MET Season, info will be available on these sites:

In addition to the public site:

http://www.metopera.org

the site "Opera Information Center" available in English, French, Spanish, Portuguese, and, as from the 2004-2005 season, in Italian as well, has, for each broadcast, information about the opera, synopsis, photos from Met productions, and study guides for classroom learning. In addition there is information about the intermissions and audio clips and transcripts (in English only) for many of our (MET) intermissions. The address is:

http://www.operainfo.org

There is also a private address for stations only that has timings, cast changes, etc. That address is:

http://www.operainfo.org//networknews