Documentary about sixteen great conductors of the 20th century.

A young Irishwoman comes to the United States to live and work with her mother as a cleaning lady at Carnegie Hall. She becomes attached to the place as the people she meets there gradually shape her life. The film also includes a variety of performances from some of the foremost musical artists of the times: conductors Bruno Walter & Leopold Stokowski, solists Arthur Rubinstein & Jascha Haifetz, singers Lily Pons & Jan Peerce and bandleader Vaughn Monroe among many others.