>> sergeant peppers became the thing. you drop the needle on it and you would hear a crackle and be taken away on this journey. ♪ >> sergeant pepper was our opera. it sounded unlike anything we were used to. >> the '60s, lyrics are generally infantile and it's noise, not music. but the sergeant pepper album was brilliant, signifying a break from the old ways of being entertained. it really caught the moment. >> this music is crucial to today's art, and it's crucial