Concert Hall Introduction: Concert Hall is the largest hall of the Sydney Opera House, with 2,678 seats, and is the home of the Sydney Symphony Orchestra. It is usually used to hold symphony, chamber music, opera, dance, chorus, pop music, jazz and other performances. The most special feature of this concert hall is the Grand Organ, which is located in front of the concert hall and is designed by Australian artist Ronald Sharp and consists of 10,500 wind pipes. It is known as the largest mechanical wooden connecting rod organ in the world. .