Just say the reason you were sniffing them.

About 10 to 20 minutes

My wifi and audio did not work.

Koreader is great ebook reader, Mixplorer.

Amd there are also graphic packs https://dwarffortresswiki.org/index.php/DF2014:Graphics_set_repository .

yt-dlp downloads music from youtube which is encoded in either opus or aac. Yt dlp doesn’t actually download flacs,mp3… but convert the music from youtube into the desired format.