The document discusses various aspects of music during the American Civil War era, including: 1) Lowell Mason helped bring cultivated European music to New England through his hymn compositions and music education reforms while William Billings represented vernacular Yankee tunesmith music. 2) Jenny Lind brought cultivated music to large public concerts in the United States, performing over 130 shows to huge audiences. 3) Brass bands and marches became popular during this time with the development of new brass instruments and as woodwinds were replaced in military bands. Patriotic marches were composed and performed.