Lunacy: The Curious Phenomenon of Pink Floyd's Dark Side of the Moon, 50 Years On

After Syd Barrett departed Pink Floyd, the band that he had co-founded and fronted became a rudderless ship, releasing a series of nebulous (though highly inventive) jam albums and taking on touring expenses that nearly bankrupted them. Their eighth album was a make-it-or-break-it proposition, and its timing could not have been better. Released in March of 1973, The Dark Side of the Moon quickly topped the US Billboard charts and took up residence there for over 700 weeks, selling over fort...