In late 1968, Pink Floyd was transitioning from their early psychedelic sound into a more progressive style as they prepared to release their seminal album, "The Piper at the Gates of Dawn" in August of that year. However, by the date of the live recording of "Let There Be More Light," performed on October 31, 1968, the band had recently released "A Saucerful of Secrets," which came out in June 1968. This performance showcased their experimental approach, featuring elaborate soundscapes and the philosophical lyrics characteristic of their work. It was notable for being part of the television program "Tous en Scene," where they capitalized on the visual and auditory experience of psychedelic rock. This period was pivotal for Pink Floyd, as it marked their exploration beyond the confines of traditional rock, setting the stage for future innovations in sound and concert experiences.