A: iPhones don’t allow direct file transfer of MP3s to the native Music app without iTunes/Finder syncing. Use VLC or Documents by Readdle instead.
If you're looking for alternative ways to access "Feeling Good" by Michael Bublé, consider:
: The most common way to listen is through licensed platforms like
: You can find links to official MP3 downloads and full albums like The Best of Bublé directly on MichaelBuble.com Streaming Services