I haven't listen to these songs yet, but here's what I've been able to discover about the background on them.
McNally's account from the liner notes to Birth of the Dead: "The final studio piece of this puzzle is "Fire In The City," which they recorded with jazz vocalist Jon Hendricks, cofounder of the legendary, Lambert, Hendricks & Ross. Jon had been hired to produce a soundtrack for a movie called Sons And Daughters, which documented one of the early events in the anti-Vietnam war movement, a series of actions in Oakland, California, led by the Vietnam Day Committee in October 1965."
This 98-minute film was released in 1967: "Janet Pugh narrates, and The Grateful Dead, Jon Hendricks, and Virgil Gonsalves provide the music." ~ Dan Pavlides, All Movie Guide.
The film is not listed in the Internet Movie Database (
www.imdb.com). Reel one only (of two) is owned by the Wisconsin Center for Film and Theater Research (
http://www.wcftr.commarts.wisc.edu/), which gives these notes in its catalog: Technical Credits: Director, Jerry Stoll ; writers, Jerry Stoll, David Castro ; director of photography, Stephen Lighthill ; editors, Sally Pugh, Jerry Stoll, Stephen Lighthill.