Roger Waters never needed to be nice to others to get what he wanted all the time. Ever since leaving Pink Floyd, there was always a vision that he had for every album that he worked on, and even though he was willing to give credit to the all-star musicians that he worked with on record, there was a good chance that a lot of the music that he came up with didn’t need all that many bells and whistles to sound great. He could normally write the m…