This collection provides access to thousands of pieces of sheet music from the Indiana State Library, the Indiana State Museum, the Indiana Historical Society and the Indiana University Lilly Library and was developed by the Indiana University Digital Library Program with funding from the Institute of Museum and Library Services.   Drawn primarily from the late nineteenth and early twentieth centuries, the collection includes works by well-known composers such as George M. Cohan, Cole Porter, Al Jolson, and Jerome Kern. (excerpted from site)