I just made a comment a short while ago, as a guest. I forgot to log in! My wording was a bit incorrect. But doesn't the key of D flat major have four flats? You mentioned about E flat major, going to the fourth flat & that would be your key. That confused me somewhat. E flat major has only three flats, right?
I have tried several times to enter the songwriting contest, but it must not want me in it. I do brush my teeth and use deodorant. Maybe I'm holding my mouth wrong.