Use these links to find information on your spiritual. You may also do your own individual searches of your song. Remember that some of them have specific Biblical metaphors (such as the Jordan River, for example). You may need to figure out what those mean using your own brain!
Spirituals
http://clrsig.org/pdfs/DLVol182Sp2000_24_29.pdf
Video
Balm in Gilead
Spirituals Textbook Section
Authentic History
Follow the Drinking Gourd