The Beatles were an English musical group from Liverpool whose members were John Lennon, Paul McCartney, George Harrison, and Ringo Starr. They are one of the most commercially successful and critically acclaimed bands in the history of popular music.

The Beatles are the best-selling musical act of all time in the United States, according to the Recording Industry Association of America. In the United Kingdom, The Beatles released more than 40 different The Beatles discography#Singles">singles, The Beatles discography">albums, and The Beatles discography#Extended plays (EPs)">EPs that reached number one. This commercial success was repeated in many other countries: their record company, EMI, estimated that by 1985 they had sold over one billion discs and tapes worldwide. In 2004, Rolling Stone magazine ranked The Beatles #1 on its list of 100 Greatest Artists of All Time. According to that same magazine, their innovative music and cultural impact helped define the 1960s, Lennon and the Quarrymen met guitarist Paul McCartney at the Woolton Garden Fête held at St. Peter's Church on 6 July 1957 and added him to the group a few days later. On 6 February 1958, the young guitarist George Harrison was invited to watch the group (who played under a variety of names) at Wilson Hall, Garston, Liverpool. McCartney had become acquainted with Harrison on the morning school bus ride to the Liverpool Institute, as they both lived in Speke. At McCartney's insistence, Harrison joined the Quarrymen as lead guitarist after a rehearsal in March 1958, overcoming Lennon's initial reluctance because of Harrison's young age. Members continually joined and left the lineup during that period, and in January 1960 Lennon's art school friend Stuart Sutcliffe joined on bass. Lennon and McCartney both played rhythm guitar and the group had a high turnover of drummers.

Even when couching praise in specific terms, it's hard to convey the scope of the Beatles' achievements in a mere paragraph or two. They synthesized all that was good about early rock & roll, and changed it into something original and even more exciting. They established the prototype for the self-contained rock group that wrote and performed its own material. As composers, their craft and melodic inventiveness were second to none, and key to the evolution of rock from its blues/R&B-based forms into a style that was far more eclectic, but equally visceral. As singers, both John Lennon and Paul McCartney were among the best and most expressive vocalists in rock; the group's harmonies were intricate and exhilarating. As performers, they were (at least until touring had ground them down) exciting and photogenic; when they retreated into the studio, they were instrumental in pioneering advanced techniques and multi-layered arrangements. They were also the first British rock group to achieve worldwide prominence, launching a British Invasion that made rock truly an international phenomenon.

More than any other top group, the Beatles' success was very much a case of the whole being greater than the sum of its parts. Their phenomenal cohesion was due in large degree to most of the group having known each other and played together in Liverpool for about five years before they began to have hit records. Guitarist and teenage rebel John Lennon got hooked on rock & roll in the mid-'50s, and formed a band, the Quarrymen, at his high school. Around mid-1957, the Quarrymen were joined by another guitarist, Paul McCartney, nearly two years Lennon's junior. A bit later they were joined by another guitarist, George Harrison, a friend of McCartney. The Quarrymen would change lineups constantly in the late '50s, eventually reducing to the core trio of guitarists, who'd proven themselves to be the best musicians and most personally compatible individuals within the band.

The Quarrymen changed their name to the Silver Beatles in 1960, quickly dropping the "Silver" to become just the Beatles. Lennon's art college friend Stuart Sutcliffe joined on bass, but finding a permanent drummer was a vexing problem until Pete Best joined in the summer of 1960. He successfully auditioned for the combo just before they left for a several-month stint in Hamburg, Germany.

Hamburg was the Beatles' baptism by fire. Playing grueling sessions for hours on end in one of the most notorious red-light districts in the world, the group was forced to expand its repertoire, tighten up its chops, and invest its show with enough manic energy to keep the rowdy crowds satisfied. When they returned to Liverpool at the end of 1960, the band -- formerly also-rans on the exploding Liverpudlian "beat" scene -- were suddenly the most exciting act on the local circuit. They consolida read more