If you're doing nonsense it has to be rather awful, because...

If you're doing nonsense it has to be rather awful, because there'd be no point. I'm trying to think if there's sunny nonsense. Sunny, funny nonsense for children — oh, how boring, boring, boring. As Schubert said, there is no happy music. And that's true, there really isn't. And there's probably no happy nonsense, either.