Israel in Egypt is an oratorio because it is a large-scale musical composition for orchestra, choir, and soloists that tells a religious or biblical story. Oratorios are typically performed without costumes, scenery, or acting, and they often feature a narrative structure with recitatives, arias, and choruses. Israel in Egypt, composed by George Frideric Handel, is based on the biblical story of the Israelites' liberation from slavery in Egypt. It is a well-known and frequently performed oratorio, showcasing Handel's mastery of choral writing and dramatic storytelling.