“A male violinist’s discrimination suit against the New York Philharmonic underscores a little-noted phenomenon: women have come to dominate the violin sections of some of the nation’s leading orchestras, or at least hold their own. And their numbers among violin players have also helped raise their prominence as concertmasters, the most important orchestra jobs after the conductors. But men still predominate in orchestras, and the testosterone level rises with the string instrument’s size.”