a long, dramatic musical composition, usually on a religious theme, consisting of arias, recitatives, choruses, etc. sung to orchestral accompaniment but without stage action, scenery, or costumes
Origin of oratorioIt, literally , small chapel ( from Ecclesiastical Late Latin oratorium: see oratory, sense ): from the performance of such compositions at the Oratory of Saint Philip Neri in Rome
A musical composition for voices and orchestra, telling a usually sacred story without costumes, scenery, or dramatic action.
Origin of oratorioItalian after Oratorio , the Oratory of Saint Philip Neri at Rome, where famous musical services were held in the 16th century
From Italian oratorio (“oratorical").