The wrong door

For the following ensemble:

piccolo, flute, oboe, 4 Bb clarinets, bass clarinet, (contra)bassoon, tenor sax, baritone sax, 3 french horns, 3 trumpets, euphonium, trombone, bass trombone, 2 tubas, timpani (4 drums), 4 tomtoms, drumkit.

Duration: 5 minutes