Instrumentation
The orchestra calls for 3 flutes (3rd doubling piccolo), 3 oboes, piccolo clarinet, clarinet, bass clarinet, 3 bassoons, 4 horns, 3 trumpets, 3 trombones, tuba, timpani, glockenspiel, xylophone, bass drum, cymbals, tamtam, snare drum, triangle, tambourine, and strings.
Read more about this topic: Violin Concerto (Schoenberg)