The singularity of Dionne Warwick is defined by what the singer isn't as much as what she is. Although Warwick grew up singing in church, she is not a gospel singer. Ella Fitzgerald and Sarah Vaughan are clear influences, but she is not a jazz singer. R&B is also part of her background, yet she is not really a soul singer, either, at least not in the sense that Aretha Franklin was. Sophisticated is a word often used to describe Warwick's musical approach and the music she sings, but she is not a singer of standards such as Lena Horne or Nancy Wilson. A pop singer of a sort wit...