“She was dating my friend, James Valentine, who plays guitar in Maroon 5. We were up at his house one night, and she was asleep. He had a piano there, and it was late. I started playing and working on a song. I just had: You’ve been playing me like an old piano/ all the notes out of key,” said Truth & Salvage Co. member Tim Jones.” Katy woke up and said, ‘What’s that you’re playing?’ I said I was working on a new song but all I have is You’ve been playing me like an old piano/ all the notes out of key. To that she responded: Singing the right words over the wrong melody. And went back to sleep … She contributed those words.”