Izvornik: Etudes Book 1. or, The Virus that Ate New York. or, The Virus that Ate New York. Nos.1-10. David Rakowski.
Prijevod: Etide knjiga 1. ili, Virus koji su jeli u New Yorku. ili, Virus koji su jeli u New Yorku. Klavir Metoda note. Piano Solo note.