For a number of years the selection of music for each film program rested entirely in the hands of the conductor or leader of the orchestra，and very often the principal qualifications for holding such a position was not skill or taste so much as the ownership of a large personal library of musical pieces.
The people had no agriculture but,over thousands of years,had developed techniques and equipment to exploit their environment,basing their economy on fishing in streams and coastal waters that teemed with salmon,halibut,and other varieties of fish;gathering abalone,mussels,clams,and other shellfish from the rocky coastline;hunting land and sea mammals;and collecting wild plant foods.
Wearing masks and costumes，they often impersonated other people，animals，or supernatural beings，and mined the desired effect–success in hunt or battle，the coming rain，the revival of the Sun–as an actor might.
Rather，they were made of a top layer of woolen or glazed worsted wool fabric，consisting of smooth，compact yarn from long wool fibers，dyed dark blue，green，or brown with a bottom layer of a coarser woolen material，either natural or a shade of yellow.
A series of mechanical improvements continuing well into the nineteenth century，including the introduction of pedals to sustain tone or to soften it，the perfection of a metal frame，and steel wire of the finest quality，finally produced an instruments capable of myriad tonal effects from the most delicate harmonies to an almost orchestral fullness of sound，from a liquid，singing tone to a ship，percussive brilliance.