If you can provide more context on the or the source where you saw it, I can help locate the correct download.
(e.g., A YouTube video, a forum, a specific website?) Download Idora rar
The results point toward old newspaper archives, Touhou Project music database, or general archive search results. If you can provide more context on the
(e.g., Is it a game, an ebook, music, or something else?) A YouTube video