This work uses the melody of the Internationale composed by Pierre De Geyter (1848-1932) and published in 1888 in France, thus published before July 1, 1909 outside the United States. The melody is in the public domain in not only France since October 2017 upon expired copyright including extensions for both World Wars, in the United States and elsewhere with a copyright term of life of the author plus 80 years or less.