American MusicAmerican Song includes songs by and about American Indians, miners, immigrants, slaves, children, pioneers, and cowboys. Included in the database are the songs of Civil Rights, political campaigns, Prohibition, the Revolutionary War, the Civil War, anti-war protests, and more. Over 500,000 tracks, growing regularly. Includes the option to create your own playlists. Available via the Boston Public Library; first-time users must register online with the BPL for an eCard, which is good for two years.