"Jazz is the assassination, the murdering, the slaying of syncopation . . . We are musical anarchists." Thus Cornetist Nick LaRocca defined the new music he and other members of the Original Dixieland Jazz Band had played at Reisen-weber's restaurant in Manhattan during World War I. When word about the shocking doings at Reisenweber's got to the Victor Talking Machine Co., the Dix-Jelanders were asked to come up and cut two sides. They blared two of their liveliest numbers—Livery Stable Blues and Dixie Jazz Band One-Step—into an eightinch acoustical horn, and thus became the creators of history's first jazz record.
That was...