Developments in dance orchestras and jazz music culminated in swing music during the early 1930s. It brought to fruition ideas originated with Louis Armstrong, Earl Hines, Fletcher Henderson, Duke Ellington, and Jean Goldkette. The swing era also was precipitated by spicing up familiar commercial, popular material with a Harlem-oriented flavor and selling it via a white band for a white musical/commercial audience.Benny Goodman's band, the most diversified styles flowed together: the ensemble style developed by Fletcher Henderson, who arranged for Goodman; the riff technique of Kansas City; and the precision and training of many white musicians. On the other hand, the easy melodic quality and clean intonation of Goodman's band made it possible to "sell" jazz to a mass audience.[4