The musicianship that went into one of rock's premier achievements is examined. Surviving members Brian May and Roger Taylor talk about Freddie Mercury's contributions, and producer Roy Thomas Baker shows us some isolated channels from the master tapes. Also commentary from Joe Perry and Ian Hunter is included.

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.

Interviews with Roger Daltrey and Pete Townshend, along with the late John Entwhistle, who reminisce about the failed attempt to present a rock musical stage show called Lifehouse, tell us how the project evolved into the 1971 classic, Who's Next. Some archival footage is presented, and we are shown by Pete how he developed the synthesized keyboard riffs that gave sonic charges to the album.

Ginger Baker, Jack Bruce, and Eric Clapton are interviewed in the studio for a track by track analysis of their 1967 classic. Each of them play acoustically, including Bruce on the piano, and some archival footage is presented. Lyricist Peter Brown discusses the creative process for 'Sunshine Of Your Love', among other things.