Goo Goo Ga Ga by Joe Scruggs
Idumea/City of the Damned by Folk Underground (last listing on right)
These Goulish Things by Zander Nyrond
Shaking of the Sheets by Steeleye Span, after which I explained a bit about medieval plague songs. (I had the Howard Harrison version of "St. James Infirmary" cued up, but didn't have time.)