Opera dream

I just dreamed of an opera. It was Don Giovanni, but I don't think I've ever seen that opera, and the song is stuck in my head, but it's not the actual song. It was sort of about this family, with one of the sons being really beautiful, and he kept kind of getting in trouble...something with a girl, and then he had a brother, and a dad, and they were saying his name like they were frustrated and disappointed in him, like DON GIOVAAAANI. DONNN GIO-VAAAANIIIII. Whatever, I don't remember more, very weird. Good night.