It's about 15 minutes into my phone conversation with jazz vocalist Margaret Murphy-Webb. She's energetic and engaging and boasts an infectious laugh, and every once in a while she calls me "baby," which I like a lot. And then, knowing that the artist is pursuing a music degree at Chicago State University after nearly 30 years of performance, I ask her if, because of tuition and other costs, she has to supplement her income with any additional jobs.

"Oh, baby, you don't know!" she exclaims. "I'm a Chicago police officer! August 1 will be my 20th year!"

I actually did not know this (nor, for the record, would any other visitors to MargaretCMurphy.com, where that information is noticeably absent). I apologize for my ignorance and ask if it's cool to mention her career in print, and she says, "Oh yeah! I just assume people know, but I try not to tell people. That's dirty laundry." She laughs. "But they don't boo me when they know I'm a police officer!"

Of course, I'm betting that the musician doesn't ever deal with booing, given her gorgeous phrasing and vocals, and her presence that the late, great jazz saxophonist (and Murphy-Webb's former mentor) Von Freeman said "reminds you of Betty [Carter] and Billie [Holiday] in that, from the moment she steps onto the stage, she has the audience enraptured."