There are several websites devoted to curating music for dance:
Rowan Libraries also subscribes to several streaming music services for all kinds of music.
Audio recordings of historical American songs.
American Music is a history database that allows people to hear and feel the music from America's past. The database 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.