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Post by djjoe1960 on Jan 20, 2021 12:56:14 GMT -5
There is a very interesting article on how the Hot 100 chart in Billboard was put together in the September 13, 1969 issue. Go to page 56 and it concludes on page 74 of the pdf of that issue. I assume that the chart was still put together this same way for the first AT40 show in July, 1970. By the way, it confirms what most of us thought--that the information is about 2 weeks old in relation to the issue date (or week ending one). worldradiohistory.com/Archive-All-Music/Billboard/60s/1969/Billboard%201969-09-13.pdf
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