Right-click the link and select "Save link as" to download the MP3 directly. Or paste it into a browser and hit save. If that fails, use a downloader tool—don't overcomplicate it, it's just an audio file.

Right-click the link and pick "Save link as" to snag the MP3. Or paste it into a downloader site if your browser's being a wuss. Easy peasy – don't overthink it.