A few weeks ago, I was hanging out at Tula’s, chatting it up with a jazz musician pal. We were talking about jazz venues around the area. The name of one particular club came up and he dismissed it because “they only book chick singers.” Chick singers. And he said it as if it were a bad thing. While I don’t want to jump back into the conversation about the curious relationship between jazz vocalists and musicians, I will say that I respectfully disagree with…