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.

Debbie Gendler was among the Beatles' first American fans when she arrived at CBS Studio 50 as a teen on Feb. 9, 1964. The night changed her — and music — forever. Express Newspapers/Getty ...

Last night, Jon Batiste made a guest appearance at The Ed Sullivan Theater for a musical segment on The Late Show. The singer, songwriter, multi-instrumentalist, bandleader, composer, and ...