In the early 1960s, a bunch of boys from Cambridge began jamming together, and out of those encounters were born the early incarnations of Pink Floyd. More than 40 years and 150 million album sales later, the band headlined the biggest global music event in history ? Live 8 ? and was inducted into the UK Music Hall of Fame. You could say the Floyd has staying power. The main characters in their story - all the children of teachers or academics ? are Roger ?Syd? Barrett, Roger Waters and David Gilmour. (Waters was ahead of Barrett at school; Gilmour and Barrett were in the same year at college.) While Gilmour went pro at 18, the other two pursued higher education in London, vowing to start a band there. When Barrett arrived at Camberwell art school in 1964, Waters was already studying architecture at Regent Street Poly, where he had met the talented pianist Rick Wright, the drummer Nick Mason and various other musically inclined friends. Barrett joined the group, which played r ?n? b...