To download music onto your iPhone, you can use iTunes and Apple Music, or a music streaming app like Apple Music or Spotify.
It's easy to put a song on repeat on Apple Music on your computer. You can also put a playlist or album on repeat.
Cloning a hard drive on a Mac is a different process. If you have a newer MacBook or iMac, you can't swap out the hard disk on it. The Apple Silicon-based Macs have the storage soldered in, so there's ...