In May 1975, when Yes delivered a stunning live performance of "The Gates of Delirium" at Queen's Park Ranger's stadium, they were riding high on the waves of their most ambitious work yet, the album *Relayer*. Released just months earlier in November 1974, *Relayer* was a bold creation that reflected the band’s quest for sonic exploration. It showcased their signature progressive rock style, combining complex time signatures with ethereal lyrics, and marked a notable shift as they embraced a heavier, more adventurous sound. The performance itself is noteworthy not just for the musical prowess on display but also for capturing the fervent atmosphere of their live shows, which were renowned for their elaborate musicianship and theatrical flair. It's fascinating to think about how this period was pivotal for Yes, as they pushed boundaries and solidified their place in rock history, laying the groundwork for future influences while captivating audiences with epic performances.