Getty Images I Am the Walrus, The Beatles B-side of 1967 single 'Hello Goodbye' When I first heard the pulsating, hypnotic sound of 'I Am the Walrus' in 1967, John Lennon was well into a mind-bending musical journey that helped usher in the psychedelic rock era. The Beatles ruled rock 'n' roll, and Lennon was determined to push the limits of ...