The Historic American Sheet Music, Rare, Book, Manuscript and Special Collections Library at Duke University struggles with the definition of sheet music. Though some might desire to relegate the use of the term sheet music to popular or modern music, The Library at Duke has discovered that Especially in the mid-nineteenth century, a publisher may have issued sacred and secular songs, Lieder, opera excerpts, potpourris, waltzes, marches and descriptive etudes side-by-side. They go on to describe sheet music as the mere physical product of recording music on paper. Sheet music can also be described as a score. However it is described, sheet music is the way in which a reader (one who reads musical notation) can play a piece of music.
Sheet music provides a special kind of potential entertainment. Musical scores, specifically those written for or including the piano, were very popular at the turn of the century as many private homes had pianos. Before radio became the preferred form of entertainment, regular people had to create their own entertainment. A new set of sheet music was like a new TV show, and allowed anyone who could play to entertain themselves with a new...