Christchurch City Chorus - Open Rehearsal - SingFest 2018 Ryan Heller - top US singing coach leads Christchurch Open Rehearsal at SingFest 2018 It’s a fantastic coincidence that Christchurch SingFest 2018 coincides with Ryan Heller's scheduled visit to coach the 140 member Christchurch City Chorus, August 25th-26th. Ryan is a much sought-after singing coach who has been brought...