The National Symphony Orchestra is a leading American orchestra based in Washington, D.C., founded in 1930 by cellist Hans Kindler. Performing primarily at the John F. Kennedy Center for the Performing Arts, the orchestra is known for its role in major national events, including presidential inaugurations and official ceremonies. Each year, the NSO presents around 175 concerts, featuring classical repertoire, pops performances, and educational programs. The orchestra is also recognized for its high-profile annual concerts such as the National Memorial Day Concert and A Capitol Fourth on July 4.