The Köln Concert is a concert recording of solo piano improvisations performed by Keith Jarrett at the Opera House in Cologne (German: Köln) on January 24, 1975. The double-vinyl album was released in 1975 by ECM. It became the best-selling solo album in jazz history and the best-selling piano album with sales of more than 3.5 million. According to music critic Tom Hull, the album “cemented his reputation as the top pianist of his generation”.
