Beatlemania hit the U.S.A. in full force after John, Paul, George and Ringo played 'The Ed Sullivan Show' on Feb. 9, 1964 Rachel DeSantis is a senior writer on the music team at PEOPLE.

THE RIDGEWOOD HERALDNEWS/USA TODAY NETWORK The change came in mid-December of 1963, when records like “I Wanna Hold Your Hand” and “She Loves You” got frequent radio rotation and you kept ...