Chelsea Opera was created in 2004.
Atalanta - opera - was created in 1736.
Yūzuru - opera - was created in 1952.
Gawain - opera - was created in 1994.
Lilith - opera - was created in 2001.
One Night Stand - opera - was created in 2011.
Pacific Opera was created in 2003.
The Flying Opera was created in 2008.
The Threepenny Opera was created in 1928.
Little Red Riding Hood - opera - was created in 1911.
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.