Singer Blue Lu Barker was born, raised, and buried in New Orleans; her funeral even turned into a popular video broadcast spotlighting the town's jazz funeral traditions. Like many early Louisiana performing artists, claims to her paralyzing influence over the entire country's jazz and blues scenes tend to be made with great regularity. Thus the tale of Blue Lu Barker is one in which jazz critics on one side of the fence comment on her limited vocal range, while others come up with quotes such as this one, attributed to legendary jazz vocalist Billie Holiday: "Blue Lu Barker w...