Greetings, dshellhouse!
Thanks for reaching out to the Apple Support Communities! It sounds like you're having issues playing your iTunes music on your Apple TV. First, check out this article to Use Home Sharing to share media from a computer to other devices. This will allow you to be sure you have Home Sharing set up properly for playing your iTunes music on the Apple TV.
To use Home Sharing to access your computer's media library on your Apple TV, sign in to Home Sharing on your Apple TV:
- Go to Settings > Users and Accounts > Home Sharing.
- Select Turn on Home Sharing.
- Sign in with your Apple ID. Use the same Apple ID for every computer or device on your Home Sharing network.
After you sign in, follow these steps to access your computer's media library on your Apple TV:
- Connect your Apple TV to the same Wi-Fi network as your computer.
- On your computer, open the Music app, Apple TV app, or iTunes for Windows.
- On your Apple TV, go to the Home screen, select Computers, and choose a shared library.
You can also view photos from your computer on your Apple TV.
- On your Mac: Choose Apple menu > System Preferences. Click Sharing. Click Media Sharing, then select Share Photos with Apple TV.
- On your PC: Open iTunes for Windows. In the menu bar, go to File > Home Sharing, then select Choose Photos to Share with Apple TV."
Also, you may want to restart your router to rule out any network issues.
Finally, check out this article for How to update your Apple TV to be sure your Apple TV is updated to the latest software available.
Let us know the results ad have a great day!