40 years ago, Roger Waters, David Gilmour, Richard Wright, and Nick Mason released Pink Floyd's Dark Side Of The Moon..



Pink Floyd’s “Dark Side of the Moon” spent 741 weeks on the Billboard charts from 1973 to 1988 - Longer than any other album in history.

Roger Waters has requested everyone kick on Dark Side at 8:00pm ET (00:00 UTC), Tweet #DarkSide40, and enjoy! And it'll like.. totally turn the moon dark, man.