Rehearsals Concerts and dress rehearsal Dress rehearsal: Thu 17 Jan 2019 1st Concert: Sun 20 Jan 2019 , start 5.00 pm 2nd Concert: Wed 23 Jan 2019 , start 8.00 pm Rehearsal weekends 16 – 18 Nov 2018 in Bonn 11 – 13 Jan 2019 in Bonn