Her enthusiasm set her to multitasking – from organising the concert venue, promoting the event, and selling the tickets, to convincing Jarrett (John Magaro) to perform when he almost dropped out because the Bösendorfer Imperial Grand piano he was promised was nowhere to be found. 

Köln 75 captures the compelling, entertaining and, until now, unknown backstory about Jarrett’s one-hour, entirely improvised concert, which became the best-selling solo album in jazz history.