Anniversary time again.....

Joan Baez wrote at least four songs on this topic, set to music by Ennio Morricone, for the Italian film "Sacco & Vanzetti".
Lyrics to all, and music for two in her "And Then I Wrote...." book.
Recorded version of her "The Ballad of Sacco and Vanzetti #3" on her CD "The Essential/ From the Heart (Live)"