Monday, 17 May 2021, 5:29 am Over 600 members of the public turned up to the CSO's dress rehearsal at the Douglas Lilburn Auditorium between 10am and 12.30pm on Saturday morning at the Town Hall, a landmark Warren & Mahoney building. Open Christchurch 2021, image by Peanut Productions From over 600 members of the public who turned up to hear the CSO’s dress rehearsal at the internationally acclaimed Douglas Lilburn Auditorium at the Town Hall on Saturday morning to the last of the booked-out backstage tours running at the Isaac Theatre Royal, the inaugural festival of Open Christchurch was a huge success from start to finish.