Instrumentation
The work is scored for 3 flutes (3rd doubling piccolo), 2 oboes, English horn, 3 clarinets in B-flat and A (3rd doubling clarinet in E-flat), 2 bassoons, contrabassoon, 4 horns in F, 4 trumpets in C, 3 trombones, tuba, timpani, tambourine, "military" snare drum, bass drum, cymbals, piano, harp and strings.
Read more about this topic: Oedipus Rex (opera)