While 5G and LTE networks have expanded coverage significantly, relying on a live internet connection for your drive is a gamble. Here is why having a downloaded playlist is a non-negotiable for the modern driver:
Direct "download" of pre-made car playlists as MP3 files is largely obsolete, illegal, and sonically disappointing. The better solution is using a streaming service’s offline download feature or building your own USB/SD card library. Car Music Playlist Download