This page contains information on the key line-ups in The Beatles' history.
Some of the dates are, by necessity, approximate. Additionally, some names which were only used for a very brief time - often a matter of days - have been excluded. These included The Silver Beatals, The Silver Beats, and Long John and the Silver Beetles.
The Les Stewart Quartet was a group George Harrison belonged to during 1959, during a time in which The Quarrymen found themselves without a drummer or a promising future.
A range of guest musicians appeared on The Beatles' recordings over the years, but were never part of the core line-up. The group were also joined by Billy Preston during the sessions for Let It Be and Abbey Road in 1969; however, as they were billed as "The Beatles with Billy Preston", it is apparent that the group remained just four people.
Also included are the 1964 dates during which Jimmie Nicol stood in for Ringo Starr, although he was never anything other than a temporary substitute.
| Name | Dates | Members |
| The Quarrymen (originally The Black Jacks) | March - April 1957 |
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| The Quarrymen | April - August 1957 |
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| The Quarrymen | August - October 1957 |
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| The Quarrymen | October 1957 - February 1958 |
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| The Quarrymen | February - March 1958 |
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| The Quarrymen | March - September 1958 |
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| The Quarrymen | September 1958 - January 1959 |
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| The Quarrymen | January - February 1959 |
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| The Les Stewart Quartet | August - September 1959 |
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| The Quarrymen | September - October 1959 |
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| Johnny And The Moondogs | October 1959 - January 1960 |
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| The Beatals | January 1960 - May 1960 |
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| The Nerk Twins | 23-24 April 1960 |
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| The Silver Beetles | May - June 1960 |
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| The Silver Beatles | July - August 1960 |
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| The Beatles | 12 August 1960 - December 1960 |
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| The Beatles | December 1960 |
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| The Beatles | January 1961 - 15 August 1962 |
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| The Beatles | 16-17 August 1962 |
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| The Beatles | 18 August 1962 - September 1969 |
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| The Beatles | 3-13 June 1964 |
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| The Beatles | September 1969 - April 1970 |
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Related articles:
- Live: New Clubmoor Hall, Liverpool
- Live: Wilson Hall, Liverpool
- Live: Rosebery St, Liverpool
- John Lennon meets Paul McCartney
- The Quarrymen perform tributes to John Lennon
