Yes. Click in FAQ arrow (blank, top left) and see Mudcat site map and permathread index.
Scroll down to permathreads (blue background) and click on African American Spitituals, thread 38686. In the list (scroll down, find them listed and click on for the songs and discussions) are many spirituals.
Thread 17760, Follow the Drinking Gourd- Drinking Gourd
Thread 41800, Chariot spirituals- Chariot spirituals