Over the past few weeks, I’ve observed a few disparaging remarks about singers out there on the social media playground. More specifically, these were remarks made about jazz vocalists by jazz musicians. It actually surprised me a little. While there is definitely a common sentiment that musicians look down on vocalists, I guess I’ve never entirely bought into that idea. That said, I’m more than willing to entertain the notion that I might be kidding myself. It certainly seems like something worthy of investigating here.…