Operetta Research Center

The Operetta Research Center Amsterdam (or ORCA) is a based in Amsterdam and Berlin, and is an initiative of the musicologist Kevin Clarke and a circle of international musical theater researchers devoted to the history of the genre, to serve as an online archive on the genre, as well as serving as a publicity channel, aiming to keep people interested in operetta informed about new productions and CD/DVD releases and publications, through its website, conferences and a newsletter.

Website: http://operetta-research-center.org