structural:summarization, linguistic:voice_change
Orchestration

The piece is orchestrated for two flutes, two oboes d'amore (doubling on oboes), two bassoons, one natural horn (in D), three natural trumpets (in D), timpani, violins I and II, violas and basso continuo (cellos, basses, bassoons, organ and harpsichord). A third oboe is required for the Sanctus.