Quick link to repo: https://github.com/nurh/wallofsound
It's a little bit hidden near the end of the blog post.
Show HN: Making Your Music Choose Your Desktop Wallpaper
11–12 of 12 posts
Re: Show HN: Making Your Music Choose Your Desktop Wallpaper
#12"First, finding the lyrics of the song that’s playing, and picking out the key words or themes from it" I listen to Melodic Death Metal. Some of the themes in this genre are not suited to provide pictures one might want to look at. A blacklist or filter for some keywords could help here. Would be nice if you could provide more examples for other genres.
I'll file that under "user error" :)