After early experience in Chicago with the bands led by Tom Gerun and Harry Sosnik, Woody Herman toured with Gus Arnheim. In 1934, he joined Isham Jones, and when Jones's group disbanded in 1936 Herman used its leading sidemen as the nucleus for his own orchestra. This band went through a number of changes of personnel, such as the inclusion in 1943 of Chubby Jackson and in 1944 of Neal Hefti, Ralph Burns, Flip Phillips, and Bill Harris (by the mid-1940s, under the name Herman's Herd, it was internationally famous for the force and originality of its music. Herman reformed the band in 1947, and the distinctive feature of the Second Herd was the group of saxophonists (three tenor and one baritone) who came to be known as the Four Brothers; among the musicians who played in the section were Serge Chaloff, Stan Getz, Zoot Sims, Al Cohn, and Gene Ammons.
After the demise of the Second Herd in 1949, Herman continued to lead bands; these were perhaps less creative, but their consistently high level of musicianship assured his continuing reputation