Houston, we have a problem... Part 1...
It is certainly not in the same league as having your space craft blow up whilst half-way to the moon, but the unfortunate thing about writing a tool like Niente to keep an eye on how logically-consistent your tagging of your music collection has been over a span of about 23 years is that... it has a horrible tendency to show you've been making silly mistakes all these years!
Here's my current situation, which is indeed a bit of a problem: [...]