It keeps coming up with they are read only so I can't delete them bought this is it hasn't worked
Hello!
Please, check this article to see how to delete music with CopyTrans Manager : https://www.copytrans.net/support/delete-music-from-iphone/
Check also this article from Apple if you can't delete a song: https://support.apple.com/en-us/HT204343
Lastly, reach out to the support team at copytrans@copytrans.net, we'll be glad to help you!
Best regards
CopyTrans Team