Apple Music Playlists

once you’ve deleted from your iCloud music library they’re gone.

The following steps help for some instances, but you can still give it a try

On your iPhone, iPad, or iPod touch:

1. 1. Go to Settings > Music, then tap iCloud Music Library to turn it off.
   2. Close Settings.
   3. Go to Settings > Music, then tap iCloud Music Library to turn it on.
   4. Turn on “Show Apple Music”

Further instructions for other devices or a computer:

https://support.apple.com/en-ca/HT204926

it depends.

Was your subscription cancelled?