Just a week before the madness began, Bobby Vinton was at the top of the charts for the fourth (and final) time in his career with "There, I've Said It Again."

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Bobby Vinton - 'There I've Said It Again'
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But, knocking him out of the top spot this week in 1964 (and changing the direction of music forever) - it was THE BEATLES with "I Want to Hold Your Hand."

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The Beatles - 'I Want To Hold Your Hand'
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'I Want To Hold Your Hand'
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Only days after reaching number 1 for the first (of 21 trips to the top of Billboard's Hot 100), the mop tops made their first foray to JFK Airport (and caused a massive frenzy) and then, two days later they were "twisting and shouting" on The Ed Sullivan Show. Seems like only "Yesterday."