iPhone 12 Pro : How do I get the “radar” sound off my alarm and only put on the song I want?

Hey there, 83Binscarth.

We understand that you are wondering how to change a song for your iPhone 12 Pro and would like to use a song ringtone instead.

You can see how to use a song for a ringtone or custom ringtone instead with the information below from this article: Use tones and ringtones with your iPhone, iPad, or iPod touch

"Buy ringtones from the iTunes Store

1. Open the iTunes Store app.
2. Tap  More.
3. Tap Tones. 
4. Find a ringtone that you want to buy, then tap the price.
5. Choose an option to automatically set the ringtone. Or tap Done to decide later.
6. You might need to enter your Apple ID password to complete your purchase.

Store availability and features might vary by country or region. Learn what's available in your country or region.

Use a custom ringtone

If you created a custom ringtone in an app, like Garageband, you can sync it to your iPhone, iPad, or iPod touch using iTunes for Windows or the Finder on a Mac.

1. Connect your iPhone, iPad, or iPod touch to your computer. 
2. On a PC, open iTunes for Windows. On a Mac, open the Finder.
3. Drag and drop the ringtone to your device."

The article above also shows how to change to a different sound instead of Radar.

We hope that helps. Take care!