Hi sgreenmonument,
Thanks for reaching out to Apple Support Communities. It sounds like you're having an issue with locating a Music feature. We're happy to provide some information to assist.
Based on the details in the guide page here, this is an Apple Music feature for iOS devices: See recommended music on iPad
Specifically the following section:
If you don’t want your followers on Apple Music to see any of the music you play, follow these steps.
- Go to Settings
> Music. - Turn off Use Listening History.
Turning off your listening history impacts new music recommendations and the contents of Replay playlists."
However, you can find steps for creating your own smart playlists on a Mac and then syncing to your iOS devices with the steps below.
Create, edit, and delete Smart Playlists in Music on Mac
or PC Create, delete, and use Smart Playlists in iTunes on PC
Sync your iPhone, iPad, or iPod using your computer
Additionally, sync library works with a subscription to Apple Music or iTunes Match. Turn on Sync Library with Apple Music
You can leave feedback here: Product Feedback
If you need further assistance, reach out to Apple Support directly.
Contact Apple Support
Cheers!