The Orchestra of St. Luke's (OSL) is an American chamber orchestra based in New York City, formed in 1974. 　　Orchestra of St. Luke's presents over 70 concerts, programs, and events in a variety of diverse musical genres every season, including an annual Carnegie Hall Orchestra Series, Chamber Music Series, Bach Festival, Free Community Concerts serving all five boroughs, Free School Concerts that reach over 11,000 public schoolchildren, and an annual Composition Institute dedicated to the fostering of compositional talent and creation of new work for chamber orchestra. OSL puts classical music performances and training within reach for all New Yorkers through its Education & Community programs, and provides rehearsal, recording, education, and performance space through The DiMenna Center for Classical Music, its home in New York City's Hell's Kitchen neighborhood.