For over one hundred years, Memphis, Tennessee, has been the center of musical innovation for American popular music. From W. C. Handy to Alberta Hunter and Lil Hardin Armstrong, in the early years, to B. B. King in the late 1940s, Elvis Presley, Johnny Cash, and Jerry Lee Lewis in the 1950s, to Otis Redding, Booker T. and the MGs, and Al Green in the 1960s and early 1970s, Memphis music sizzled with a level of creativity unrivaled in the history...