On: Why don't they compose music like Bach any more?

Not sure pointing out another discussion is a problem. If I were to criticise the post it would be to say is it an HN topic? Might be more suitable on a music discussion.

It's not a problem, nominally, but it is a problem if this leads others to believe that the submission does meet dupelicate criteria.

If I note prior submissions (often because I'd seen the earlier submission in the "New" queue, I'll specifically note whether or not it's a dupe.