O Tannenbaum the faithless maiden of the folk song. This was changed to ' (green) at some point in the 20th century, after the song had come to be associated with Christmas. The tune is an old folk tune attested in the 16th century. It is also known as the tune of "" and of "". Below is the tune with the original German lyrics of the first verse: <score vorbis="1"> » </score> The tune has also been used (as a contrafactum) to carry other texts on many occasions. Some notable uses include: O Tannenbaum "" (; "O fir tree", English: "O
Frank Tannenbaum a leader of the Industrial Workers of the World. In January 1914, Tannenbaum, then 21 years old and a member of the IWW-affiliated Waiter's Industrial Union, proposed a campaign of demanding relief from New York City churches. Starting in February, he led masses of workers to churches, disrupted services, and demanded that they be given food and shelter. Although most churches complied, the New York press, notably the "New York Times", decried Tannenbaum and the Wobblies. On March 4, Tannenbaum led a group of unemployed workers from Rutgers Square to the Catholic St. Alphonsus Church on West Broadway. There, they