iTunes on Mac OSX started playing a random U2 song for no obvious reason. I would kill it, and it would launch again after 10 seconds.
I tried deleting iTunes.app by opening the Applications directory in Finder and dragging it to the trash, but got the message that
"iTunes" can't be modified or deleted because it's required by macOS.
So I opened a terminal and did:
sudo chmod ugo-rwx /Applications/iTunes.app which seems to have stopped it for now. We'll see how long that lasts.