Who knows how long this will continue to work, before they change something in their generated HTML. Such are the indignities of This Modern World. If there are better options, I don't know of them.
LyricsWiki had an actual API. It was annoying but stable. Genius technically has an API, but using it would require each user of this program to create an account there, which is far too onerous.
I also applied some countermeasures to their weird steganography!
It's amazing to me the the music conglomerates have basically conceded that all music is available everywhere for a dollar a month and nobody's ever going to get paid, but they are still treating the lyrics like those are the most precious thing they own.
The source also includes "itunesxml", a command line utility that generates an XML file nearly identical to the file that iTunes used to keep up-to-date in "~/Music/