In May 1975, Yes was riding high on the success of their album *Relayer*, which had been released just months earlier in November 1974. This album marked a significant evolution in their sound, with the introduction of keyboardist Patrick Moraz, whose influence is especially felt in the innovative composition "The Gates of Delirium." The live recording at Queens Park Rangers Stadium captures the band during a pivotal moment, showcasing their intricate melodies and the improvisational prowess that fans came to adore. What’s intriguing is that this show, touted as one of their finest, reflects the band's ambitious spirit during the mid-70s—a time when progressive rock was reaching new heights. It’s not just a concert; it’s a testament to how Yes could blend complexity with emotional depth. With their elaborate stage presence and intricate arrangements, they were indeed making waves, giving audiences an unforgettable experience that would echo in the annals of rock history.