The Christmas carol "O, Christmas Tree" is also of German origin. The best known version of "O, Tannenbaum" was written in 1824 by a composer named Ernst Anschutz. The melody is an old folk tune. | The Christmas carol "O, Christmas Tree" is also of German origin. The best known version of "O, Tannenbaum" was written in 1824 by a composer named Ernst Anschutz. The melody is an old folk tune. |