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
Samuel A. Tannenbaum Samuel A. Tannenbaum Samuel Aaron Tannenbaum (1874–1948) was a literary scholar, bibliographer, and palaeographer, best known for his work on William Shakespeare and his contemporaries. Tannenbaum was born in Hungary, then part of the Austro-Hungarian Empire; he emigrated to the United States in 1886, the year he turned fourteen, and became a citizen in 1895. Graduating from the Columbia University College of Physicians and Surgeons in 1898, he pursued a career in psychotherapy, with a strong interest in the work of Sigmund Freud. He was part of the circle of early Freud supporters that included Ernest Jones and Sándor Ferenczi,