English Opera Group ended in 1980.
English Touring Opera was created in 1979.
The Threepenny opera was created from the Beggars opera in 1728. It was written by John Gay, a well known plat writer. It was created from the Beggars opera.
The Moments - English group - was created in 1963.
Pacific Opera was created in 2003.
The Flying Opera was created in 2008.
The Threepenny Opera was created in 1928.
Scottish Opera was created in 1962.
Opera Delaware was created in 1944.
Opera IX was created in 1988.
Opera North was created in 1978.
Amato Opera was created in 1948.