Pink Floyd is another classic example a psychedelic rock group surfacing in the sixties. The musicians Roger ‘Syd’ Barrett, Roger Waters and David Gilmour — moved to London and were eager to explore the world throughout their music.They officially became Pink Floyd after meeting their percussionist Nick Mason, and keyboard player Rick Wright. They became incredibly famous, sales topping 250 million, rivaling the likes of the Beatles and Led Zepplin. They were famous for spacey guitar sounds and LSD inspired light shows. One of their most famous songs, dark side of the moon, came out in 1973 originally titled Eclipse.