Please follow http://blogs.loc.gov/teachers/2019/03/primary-sources-for-musical-learning-exploring-the-triad-through-the-civil-war-bugle/?loclr=twtea.

Please follow http://blogs.loc.gov/teachers/2019/03/primary-sources-for-musical-learning-exploring-the-triad-through-the-civil-war-bugle/?loclr=twtea.