Just a "service communication". Contributors are kindly requested to take care of the spelling and of the graphical aspect of their contributions. In particular, you are recommended to avoid typing lyrics in capital letters. Thank you!

December 12. Nothing happened on December 12. Especially on December 12, 1969. No piazza Fontana. No bomb. No bank. No Pietro Valpreda. No massacre, "more or less by the state". There's a number of songs: who wrote them?