Boston Symphony Orchestra

The Boston Symphony Orchestra (BSO) is an orchestra based in Boston, Massachusetts. It is one of the five American orchestras commonly referred to as the "Big Five". Founded in 1881, the BSO plays most of its concerts at Boston's Symphony Hall and in the summer performs at the Tanglewood Music Center. The most recent music director, James Levine, stepped down from his position as of September 2011, due to ill health.