IPads and iPhones can be a little tricky to download files to directly. For best results I recommend using the Safari browser when trying to access and download the MP3 files. I’ve tested downloading with Google Chrome and the MP3 just plays in the browser window instead of downloading, so stick with using Safari. Once fully downloaded, find and click on your ‘Files’ app (it looks like a blue folder) and the file(s) should be found inside the downloads folder in there.