Oratorio
An oratorio is a large vocal work that tells a story or treats a dramatic subject through soloists, chorus and instruments, usually without full staging.
- soloists and chorus
- dramatic subject
- usually concert performance
How does an oratorio tell its story?
A recitative can move events forward quickly, while an aria pauses for a character's thought or feeling. Choruses may represent a group or reflect on an event. Instrumental passages connect or frame these vocal sections. The balance varies widely across works.
How is it different from opera?
Opera normally presents dramatic action on a stage with acting, sets and costumes. An oratorio is commonly performed as a concert work without full staging. That distinction can blur in particular productions; the music may use similar solo and choral forms in either genre.
Is every oratorio religious?
Many historic oratorios treat biblical subjects, but the form is not limited to them. A work's topic and its performance setup are separate questions. Listen for the storytelling arrangement of solo voices, chorus and orchestra rather than assuming a subject from the genre name.
How is it different from a cantata?
A cantata can also combine recitative, aria and chorus. An oratorio is usually more extended and narrative. If you are reading a program note, look for a cast of characters and a story spanning many movements; those are stronger clues than the presence of one aria.