"While typical of the unsophisticated critiques commonplace in the pop press at the time, according to music journalist Michael Halpin, these comments angered McCartney, who, like his bandmates, believed that artists should constantly develop through their work.In the United States, where the mainstream press had long focused on the Beatlemania phenomenon and had derided the group's music, as well as rock 'n' roll generally, the summer of 1965 coincided with the first examples of artistic recognition for the Beatles from the country's cultural mainstream.