What makes Relayer by Yes notable?

Upon its release, 'Relayer' reached No. 5 on the UK Albums Chart and solidified Yes's place in the pantheon of progressive rock. The album is often noted for its ambitious track lengths and intricate arrangements, influencing countless bands within the genre and earning a legacy that endures in progressive music circles. Released on December 13, 1974, 'Relayer' was Yes's fifth studio album during a time of significant evolution in their sound. Following the success of 'Close to the Edge,' this album marked a deeper exploration into complex compositions and lyrical themes, as the band navigated lineup changes with keyboardist Patrick Moraz replacing Rick Wakeman.