Pink Floyd's Dark Side of the Moon was 40 years old earlier this year, it inspired Sir Tom Stoppard to write the play Darkside which features the album's instrumentals with Tom's dialogue over the top.
http://www.bbc.co.uk/news/entertainment-arts-21969223 (article)
http://www.bbc.co.uk/news/entertainment-arts-23768213 (article and animated trailer by Aardman)
It will be aired on BBC Radio 2, Monday 26th August, I for one am looking forward to it.
Dark Side of the Moon hit the top of the charts on release, and stayed in the charts for 741 weeks, selling some 50 million copies (that's almost ten thousand copies per day for fifteen years!

)