noun

oratorio

or-uh-TOR-ee-oh/ˌɔrəˈtɔriˌoʊ/

A large musical work for voices and orchestra, usually performed without staging.

The choir and orchestra perform an oratorio in the concert hall.

In a large sacred hall, an orchestra, chorus, and solo singers perform a solemn religious musical work together under a conductor.

Etymology

The name of a place of prayer became a musical term through Oratory services combining prayers and hymns. That setting explains the religious character usually associated with an oratorio.

In context

ETSU Online speaker9:21

So, Samson oratorio; we have overture, we have a chorus, we have an aria.

G.F. Handel and the Oratorio - OpenBUCS

Library of Congress speaker34:23

A new oratorio commission … by Gabriela Lena Frank, and the work is set to text by Ralph Waldo Emerson.

Opus 90: Celebrating 90 Years of Concerts from the Library of Congress

More examples

Handel's Messiah is an oratorio often performed during the holidays.
The soprano sings several solos in the oratorio.
The festival features two oratorios based on biblical stories.

Forms

oratorio · oratorios

Similar words

cantata: Usually shorter, with fewer performers and less dramatic narrative.
opera: Usually staged with acting, costumes, and scenery, unlike an oratorio.