In October 1969, when King Crimson delivered their captivating performance of "Trees" at Fairfield Halls in Croydon, they were riding high on the success of their debut album, *In the Court of the Crimson King*. Released just a year earlier, this groundbreaking album not only defined the progressive rock genre but also showcased the band's innovative blend of jazz, rock, and classical elements. The live recording captures a pivotal moment in their evolution, encapsulating the raw energy and experimental spirit that characterized their early works. Interestingly, King Crimson was known for their dynamic live shows, often differing significantly from their studio recordings, pushing musical boundaries on stage. This performance is a testament to their powerful presence, revealing how they engaged audiences with complex arrangements and emotional depth. It's a snapshot of a band destined to reshape the musical landscape, full of promise and creativity that set the stage for their future endeavors.