`:The opera does not exist because someone's family member has decided to publish a new edition prepared by someone with the same last name.  The opera has existed before and will exist after this edition has been forgotten. If this family of ``Halèvy`` experts are notable, you're more than welcome to write articles about them, as long as they can be traced to reliable sources such as ``Grove`` and the like.  ``Self-publishing`` does not count here. But expecting these people to have equal billing with the actual composer of the opera simply because somebody has gotten a photocopy of the score from the Paris Opera library is a bit much, I should say...   `