The American Youth Philharmonic Orchestras (AYPO) are a group of youth orchestras in the Washington metropolitan area. The group consists of three full orchestras (the American Youth Philharmonic, Symphonic Orchestra, and Concert Orchestra), and four string orchestras (Sinfonietta, String Ensemble, Prelude Strings, and Debut Orchestra), along with several chamber ensembles and community outreach organizations. Currently, over 650 young musicians take part in AYPO programs.[1]