via Wikipedia infobox
"O Tannenbaum" ( German: [oː ˈtanənbaʊm]; "O fir tree"), known in English as "O Christmas Tree", is a German Christmas song. Based on a traditional folk song that was unrelated to the holiday, it became associated with the traditional Christmas tree.
History
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).