Here's an idea for somebody out there looking for a project.

It would be nice if we had an index to all song threads organized around a topic. Here are a few examples: Songs about getting really old?
'Women's' Work Songs
Narrowboat songs
Flower songs
Wanted: Songs for alcoholics!
Halloween Songs
But those are just a few of the easy ones—the ones with "songs" in the thread title. Where it would be a lot harder to compile, and where it would be most useful, is when the thread title doesn't give you a clue what it's about, or may even be misleading.

For example, today I ran across an old thread called How many fallen women does it take? From the title, I never would have guessed it was about music. I would have thought it was a joke thread.

(In fact, it really annoys me when people give threads cute jokey titles, especially serious threads about music. Such people show that they're only interested in attracting attention in the short term, but not interested in helping people who might search for information in the future. But I digress.)

That thread needs some kind of cross-reference, for example, "Songs about Fallen Women,"