More popular than Jesus quoted Lennon's comments in July, extensive protests broke out in the US, particularly throughout the Bible Belt. Some radio stations stopped playing Beatles songs, their records were publicly burned, press conferences were cancelled, and threats were made. The controversy coincided with the group's US tour in August 1966, and Lennon and Brian Epstein attempted to quell the dispute at a series of press conferences. Some tour events experienced disruption and intimidation, including a picketing by the Ku Klux Klan. Press coverage of their just-released album "Revolver" was also overshadowed by the controversy. Shortly after the controversy broke, Lennon apologised for
Fifth Beatle the "fifth Beatle", but over the years he and producer George Martin have clearly been recognised as the inner circle members who most profoundly affected the band's career. In an interview in the 1990s describing Epstein's involvement in the band's rise to fame, Martin declared "He's the fifth Beatle, if there ever was one." McCartney summarized the importance of Epstein to the Beatles when he was interviewed in 1997 for a BBC documentary about Epstein. He stated: "If anyone was the fifth Beatle, it was Brian." In 2013 Epstein was the subject of a graphic novel entitled "The Fifth Beatle"