The legendary foursome's first appearance on The Ed Sullivan Show, America's weekly variety show, was fifty years ago, on Sunday, Feb. 9, 1964.
The Beatles In America: 1964 from Public Radio International focuses on that moment and the phenomenon that followed, known as Beatlemania.
Hear vintage recordings, rare interviews and personal accounts from people who were present.
Broadcast Monday, Feb. 10 at 9 p.m.