National Symphony Orchestra
The National Symphony Orchestra (NSO), founded in 1931, is an American symphony orchestra based in Washington, D.C.. Its principal performing venue is the John F. Kennedy Center for the Performing Arts.
National Youth String Orchestra
The National Youth Strings Orchestra (NYSO) was founded by Viviane Ronchetti in 1995 and is a specialist string chamber orchestra based in the United Kingdom. Initially founded as the National ISIS Strings Academy (NISA), in 2005 the orchestra was renamed the National Youth Strings Academy and became a company limited by guarantee Charity no. 1110462. Its name was changed again in 2013 to National Youth String Orchestra to clarify its classification as an orchestra.