Floyd an expermental stage?

Pink Floyd is known through out the U.S as an acid based band that performs music that supposedely coincides with drugs. Upon interviews with lead singer Roger Waters it was explained that they just wanted to experiment with music,which was mostly through a sythasiser. He does not deny that many times practicing new sounds and songs that he and his band was "high", but commits that it was all from what they felt was pure sound. They were ...