We have a collection of 17 arrangements for Matvey Blanter - Mikhail Isakovsky - Katyusha
The information provided seems to contain a reference to a specific song or musical work, but the details are not clear. The term "Misc Traditional - катюша" doesn't directly correspond to a well-known song title or artist in the English language or commonly recognized musical catalog. If you could provide more context or clarify the reference, I would be happy to help you with any information or interesting facts related to the specific song or musical work you're referring to.