Two of the founding members, Syd Barrett and Roger Wright, are dead so two new members entered in the band. Although this, The Pink Floyd went on tour and the tickets were sold out within hours.
Jill Furmanovsky, the official photographer of the Dark Side of the Moon tour, get to see the band close up and said that they were very different from the rest of the rock world: there were not record company people backstage, only close friends or the people working, they weren't stoned all the time and were sports fanatics, in fact, if the Match of the Day was on, they'd try to finish concerts in time to watch it.
Colin Wilson said that nowadays there's a lot more throwaway stuff, artist do music at home in a day and nudge everything into being in pitch and release it the day after. Instead, in the '70s they spend a lot of time in studios with professional engineers and it stood the test of time. Today everything's been done so it's harder for bands to create something original.