I had a dream the other night in which I saw Eva Trout in concert and they closed with "Mazzie," my favorite song. When I woke up, I realized the tune was not as it should have been. That is to say: As far as I was concerned in my dream, the song was "Mazzie," but in the real world, I knew it wasn't. I couldn't sleep until I got up and wrote down the notes so I could figure out the imposter tune later.
Of course, since I can't read music, the notes are pretty meaningless.