Ah, the hardcore picross for real gamers
I unfortunately encountered the audio glitch on my own, it sounds like the volume meter might be multiplying the audio rather than setting it? Honestly pretty funny when it happened while streaming to a few friends.
Anyways, I also suck at picross so I wasn't able to get very far on my own. But programming it at all seems like a technical feat in the first place, and it's a unique entry especially in that I don't think I've ever seen Touhou picross, somehow. My main critiques are that I would have liked to see what I got wrong and what the completed image was, but it seems like you've gotten plenty of informative feedback already. Interesting work!