sentences:  A typical performance lasts approximately 14 minutes.The concerto was written when Barber was still serving in the U.S. Army but when he was granted time and freedom to compose.Hence the piece was composed in and named after the house "Capricorn" in Mount Kisco, acquired by Barber and Gian Carlo Menotti in 1943 and so-named for the maximum sunshine it got during the winter .