The Beatles were a rock and pop band from Liverpool, England that formed in 1960 and disbanded in 1970. During their career, the group primarily consisted of John Lennon (rhythm guitar, vocals), Paul McCartney (bass guitar, vocals), George Harrison (lead guitar, vocals) and Ringo Starr (drums, vocals).
(From Wikipedia:) The Beatles were one of the most commercially successful and critically acclaimed bands in the history of popular music, selling over one billion records internationally. In the United Kingdom, The Beatles released more than 40 different singles, albums, and EPs that reached number one, earning more number one albums (15) than any other group in UK chart history.
According to the Recording Industry Association of America, The Beatles have sold more albums in the United States than any other band. In 2004, Rolling Stone magazine ranked The Beatles number one in its list of 100 Greatest Artists of All Time. According to that same magazine, The Beatles' innovative music and cultural impact helped define the 1960s, and their influence on pop culture is still evident today.
In 2008, Billboard magazine released a list of top-selling Hot 100 artists to celebrate the chart's fiftieth anniversary; The Beatles topped it.