A couple of weeks ago, KLOS radio station in Los Angeles interviewed legendary producer Bob Ezrin. Their interview with Bob can be seen here:

Ezrin describes his time with Pink Floyd as "magical, challenging, illuminating and life altering". He did note that "[It] was tough. There was a lot of conflict. But dynamic tension makes for much better stuff. There was a lot of it in the making of The Wall, but it just kept making things better, and better, and better."

"Roger's a force of nature", Ezrin said about the post-Waters albums he produced/co-produced, "and a man to be reckoned with. He takes up a lot of energy, and brings an awful lot to the room. Not having him there, on the one hand, it made things slightly less fraught and less tense, but on the other hand also we missed his genius — and his spark, and watching those sparks fly between him and David and me. Somewhere in my heart of hearts, I always hoped they would bury the hatchet and get back together, and that we could do stuff together. Once Rick passed away, that possibility disappeared..."