Hello CalebM19,
Thanks for posting in the Apple Support Communities.
As you're looking to use Spatial Audio with Dolby Atmos, check out the information below as your settings can affect this. You can also find additional information here: About Spatial Audio with Dolby Atmos in Apple Music - Apple Support
If you choose Automatic, here’s what you need
Supported songs automatically play in Dolby Atmos when you're listening with:
• AirPods Pro, AirPods Max, AirPods (3rd generation), or Beats Fit Pro with Spatial Audio turned on
• AirPods (1st or 2nd generation)
• BeatsX, Beats Solo3 Wireless, Beats Studio3, Powerbeats3 Wireless, Beats Flex, Powerbeats Pro, Beats Solo Pro, or Beats Studio Buds
• Any Bluetooth headphones that you categorize as headphones on your iPhone or iPad
• The built-in speakers on an iPhone XS or later (except iPhone SE), iPad Pro 12.9-inch (3rd generation or later), iPad Pro 11-inch, or iPad Air (4th generation or later)
If you choose Always On, here’s what you need
If you want to use wired headphones, choose Always On.
We hope that's able to help. If not, confirm which setting you have enabled along with how you're listening to the song. In addition, confirm that you have iOS 15.6 installed as this is the latest supported iOS version.
Cheers!