 High equalisation was applied to Lennon's vocal over the choruses to capture the hissing sound as he drew breath – an effect that also suggested he was inhaling on a marijuana joint.McCartney recalled that he and Harrison sang "Tit-tit-tit" on the middle eights to capture the "innocence" of the Beach Boys singing "La-la-la" on one of their recent songs.Riley likens the musical arrangement to a "scene from the old world" and he concludes of the song