Big band often different from swing. Bandleader Charlie Barnet's recording of "Cherokee" in 1942 and "The Moose" in 1943 have been called the beginning of the bop era. Woody Herman's first band, nicknamed the First Herd, borrowed from progressive jazz, while the Second Herd emphasized the saxophone section of three tenors and one baritone. In the 1950s, Stan Kenton referred to his band's music as "progressive jazz", "modern", and "new music". He created his band as a vehicle for his compositions. Kenton pushed the boundaries of big bands by combining clashing elements and by hiring arrangers whose ideas about music conflicted. This
Herd members, so that the weaker animals will often be better off hunting smaller prey on their own. A herd is by definition relatively unstructured. However, there may be two or a few animals which tend to be imitated by the rest of the members of the herd more than others. An animal taking this role is called a "control animal", since its behaviour will predict that of the herd as a whole. It cannot be assumed, however, that the control animal is deliberately taking a leadership role. Control animals are not necessarily, or even usually, those that are socially dominant