Opera Pacific ended in 2008.
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.
Soupe Opera was created in 1991.
O'Donoghue's Opera was created in 1965.
Pinchgut Opera was created in 2002.
Teatro Opera was created in 1936.