This is pretty nice, and there's already a lot of tools out there. I've built some of my own tools to scrape their tabs and store all my own stuff since I expect they will continue locking tabs down more like they already have. I'm a lifetime UG pro member but they keep pushing the envelope too far to monetize more. There's no path for OSS in this domain unfortunately because tabs are often licensed and owned by the…
Has anyone attempted to make a fair use for education argument about this? Tabs aren't so much an actual creative work as instructions for how best to play a work. Because there's no timing information it's often impossible to reconstruct the actual music just from them.
Chords have even less information, a guitar chord transcription may have no resemblance to the notes actually played in a recording.