Roger Waters vs David Gilmour

We watched this doc called "Whatever Happened to Pink Floyd?  The Strange Case of Waters and Gilmour and as such decided to settle on of the most important questions in Classic Rock.  Do Pink Floyd actually have any songs?  Oh, and delve into the Fire (Waters), Ice (Gilmour) and Luke Warm Water (Mason) of Floyd, deciding once and for all, who is the best.