The Beatles are the best-selling musical act of all time in the United States of America, according to the Recording Industry Association of America. In the United Kingdom, The Beatles released more than 40 different singles, albums, and EPs that reached number one.

In 2004, Rolling Stone magazine ranked The Beatles #1 on its list of 100 Greatest Artists of All Time. Their innovative music and cultural impact helped define the 1960s, and their influence on pop culture is still evident today.

This introduction is taken from The Beatles entry on Wikipedia .