What about feeding in an audiobook narrated by a well-known personality (like Stephen Fry), and then using the voice to narrate your own self-published eBook?
Some people have tried to analyze this as an aspect of right of publicity (e.g. http://ir.lawnet.fordham.edu/cgi/viewcontent.cgi?article=281... but I think there are many other articles on this topic). The right of publicity analysis could be different from the copyright analysis.