I wonder if Johnny Mathis got misty when he first heard "Dark Side of the Moon". After all, that album was going to eventually leave him as helpless as a kitten up a tree.
On this day in 1983 Pink Floyd's "Dark Side of the Moon" marked its 491st week on the Billboard album chart. That number was a significant one since it set a new record for most weeks on the chart. Now here's a question that you may not know the answer to: Which album held the previous record?