Outliers: The Story of Success · chapter 2 · id outliers-c2-05-gladwell-claims-the-beatles-pe
“Gladwell claims the Beatles performed 1,200 times in Hamburg between 1960 and 1964, accumulating thousands of hours of stage time. Contemporary records suggest approximately 270-280 performances across five trips between August 1960 and December 1962.”
CONTESTEDconfidence: medium⚠ extracted by pipeline, re-audit pending
Receipts
Wikipedia: The Beatles in Hamburg (with primary sources)source alive
The Beatles made five trips to Hamburg: 106 nights at the Indra/Kaiserkeller (1960), 92 nights at the Top Ten Club (1961), 48 nights at the Star-Club (April 1962), and further Star-Club engagements in late 1962.
Beatles Bible, detailed Hamburg performance recordssource alive
At the Indra Club they performed four and a half hours each weekday night and six hours on Saturdays.
This claim is a stable, citable object. If you can falsify a verdict, tell us. Corrections are loud here.