Yes, the city images and video loops are AI-generated. The music is synthesized live in the browser using the Web Audio API, rather than played from a prerecorded playlist.

There's a lot of AI on the author's github, so I would assume so. I have no idea how I feel about these sorts of things. On the one hand I think it's objectively a super neat idea, but it makes me sad that a human (probably) didn't make the art/songs.

Yes according to the author - the assets were created with AI tooling.

https://safaelmali.gumroad.com/l/lofi-cities-complete-collec...