Shy, vulnerable, and student might not be the first qualities that come to mind when picturing a Broadway star, but “Hamilton’s” Joanna Jones claims all three as inseparable from her recipe for success. A born singer, Joanna’s dedicated focus to her craft carried her from the church band to theater school, to NBC’s “The Sing-Off,” London’s West End, The Palazzo Las Vegas, all the way to “Hairspray Live” and playing Eliza in the infamous Broadway smash “Hamilton…”