Engineers Chris Thomas and Alan Parsons peel layers off the master tapes from this 1973 masterpiece. The songs are dissected methodically, and Roger Waters, David Gilmour, Nick Mason, and Rick Wright are on hand, (though separately), to demonstrate how simplistic some of the writing was.

Listen as all four band members tell the story behind one of the greatest albums ever made. Pink Floyd's masterpiece, 1973's The Dark Side of the Moon broke records when it sold more than 30 million copies and spent 740 weeks on the U.S. charts.