Connotations is a piece that includes the composition scored for what orchestra?
Connotations (Copland):  Commissioned by Leonard Bernstein in 1962 to commemorate the opening of Philharmonic Hall (now David Geffen Hall at Lincoln Center for the Performing Arts) in New York City, United States, this piece marks a departure from Copland's populist period, which began with "El Salón México" in 1936 and includes the works he is most famous for such as "Appalachian Spring", "Lincoln Portrait" and "Rodeo". Appalachian Spring:  The ballet, scored for a thirteen-member chamber orchestra, was created upon commission of choreographer and dancer Martha Graham with funds from the Coolidge Foundation.
thirteen-member chamber orchestra