Orchestra of the Age of Enlightenment was created in 1986.
Nagoya Philharmonic Orchestra was created in 1966.
The plural form for the singular noun orchestra is orchestras.
The noun 'orchestra' is a singular, common, concrete noun; a word for a group of musicians; a word for a group of people.
NYADA IS NOT A REAL SCHOOL OMG. Glee created it for their show. There are lots of other prestigious musical theater schools in NYC, though. But, alas, this one is not real.
No, the noun 'orchestra' is a concrete noun; a word for a group of people (with instruments) that can be seen and heard; a word for a physical group.
Orchestra of the Age of Enlightenment has: Played Themselves - Orchestra in "Don Giovanni" in 1995. Played Themselves - Orchestra in "Giulio Cesare, Opera in Three Acts" in 2006. Played Themselves - Orchestra in "Acis and Galatea" in 2009. Played Themselves in "BBC Proms" in 2009. Played Themselves - Orchestra in "Don Giovanni" in 2010.
Maharishi School of the Age of Enlightenment was created in 1974.
Cleveland Orchestra Youth Orchestra was created in 1986.
Fujimi Orchestra was created in 1998.
Stealing Orchestra was created in 1997.
The Undertow Orchestra was created in 2006.
Orchestra Victoria was created in 1969.
Gürzenich Orchestra was created in 1827.
Red - an orchestra - was created in 2001.
Dossenbach Orchestra was created in 1900.
The Philharmonic Orchestra was created in 1998.
The Orchestra Live was created in 2008.