Another way, if your network works as most do, you could make whatever folder he saves to a Shared Folder, or even better a network drive.
Then your computer could see that drive/folder (as long as his computer was turned on) and back it up using that path. No physical moving parts that way, but you will use network resources so it may be a little slower.

https://answers.microsoft.com/en-us/windows/forum/all/how-to-share-folder-across-for-computers-on-a/ae610736-ac18-4c5f-b109-97f4af526018


I do not work here, but the benefits are still awesome
Make your sound your own!