|"Is this all real? Or has this been happening inside my head?"
The subject of this article is a real-life person, group, company, product, or creative work that has been mentioned "in-universe" in a canon source. The Harry Potter Wiki is written from the perspective that all information presented in canon is true (e.g., Hogwarts really exists), and, as such, details contained in this article may differ from real world facts.
Für Elise (English: For Elise) is a Muggle musical piece composed by Ludwig van Beethoven for the piano. Hermione Granger attempted to teach Ronald Weasley this piece at 12 Grimmauld Place in 1997. However she was unsuccessful.