Keith Jarrett is an acclaimed American jazz pianist and composer, known for his unique improvisational style. Born in 1945, he gained fame for his solo piano concerts, where he creates entire pieces spontaneously. His music blends elements of jazz, classical, and folk, making it accessible to a wide audience. Jarrett's most famous work is the Koln Concert, recorded in 1975, which remains one of the best-selling solo piano albums in history. Throughout his career, he has collaborated with many legendary musicians, including Charles Lloyd and Jan Garbarek, further solidifying his influence in the world of jazz.