The amounts of the various components in the mixture can vary relative to each other. For example,a person could add one or two spoons of sugar to their coffee. No. The elements that make up the compound are combined in fixed ratios. For example, water is always two atoms of hydrogen and one atom of oxygen.
Orchestral Salaries. In 2010, orchestra musicians, including violinists, averaged $28,000 to $115,000 a year, according to a survey by Berklee College of Music, a Boston-based undergraduate program.
Campbell is an adjunct professor of tuba at the University of Minnesota, where orchestra musicians can earn an extra $15,000 a year or more, according to public records compiled by the Pioneer Press. But teaching adds to an already busy schedule.