The very general straight-forward answer to your main question is that you do not need to acquire any rights whatsoever in order for you to write...

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If they are not basing their work on someone else's the odds that this will be an issue are slim regards to copyright. Regards to trademark, for...

As noted, the facts are not protectable rather the way in which they are expressed can be protected under copyright. We refer to that as the...

In most cases, when you buy something that is protected by copyright you are able to resell that without any issues under the "First Sale...

It ultimately depends on what you have created here. It's certainly not an issue that you base an illustration on a photo you took, but if this...

No, that is not what copyright protects. Copyright protects creative expression not actual facts and knowledge.

You would not be required to do so, but in some cases it might be in your interest to do so. If you need clarification, I suggest that you...

Furniture can be protected in several ways. Copyright will affix to any creative expression reduced to a tangible medium like design illustrations...

As long as doing so is not violating any agreement you have with the singer. I would want that in a written agreement. If you need...

As noted, this certainly sounds like it could violate the law as many states have revenge porn statutes that address this kind of situation....