Alternatively, maybe it's a mix-up of names. The user might have made a typo or confusion. For example, could it be "Nine Days" and "Joelina Falk VK" as separate entities? Perhaps "VK" is part of a band or a project. Or maybe it's a tribute band or a related group.
Including a call to action for readers to verify with the artists or official channels would be prudent. Also, offering to help with more information if the user can provide clarification on the names would be good.
Assuming "Nine Days" is the main focus, and Joelina Falk VK is a new project or artist, I can structure the blog post around their history, a new development with Joelina Falk, and their continued presence through VK. Perhaps there's a new album or collaboration.