Pink Floyd's 1973 album The Dark Side Of The Moon was released on March 1st, 1973, however the music was remarkably written months before the album ever premiered. The band promoted the album with two tours, one before the album release in 1972 and the other, after the release, in 1973. The band took the stage on January 21st, 1972 and delivered the first-ever, full-length performance of The Dark Side Of The Moon. Check it out below...