If any man could be defined as the epitome of the modern jazz singer, it would surely be Jon Hendricks. His contributions to jazz were colossal: a hipster, a bopster, a comic and raconteur, a word-smith par excellence, and a fearless improviser, he took the arts of scatting and vocalese to new heights. As a founder member of the groundbreaking vocal trio Lambert, Hendricks and Ross, he changed forever the public perception of what a jazz singer...