Performance of Köln Concert 50, 24th January 2023 48 years ago today, at 11.30pm, Keith Jarrett took the stage at a German concert hall and, on an indifferent rehearsal piano, improvised one hour of magic which has become known as The Koln Concert. In recent years, each 24th January, pianist Dorian Ford has used a … Köln Concert 50 Performance 24th January 2023