Yes, Libro.fm is so cool!Their prices always really hurt me when I buy stuff but I guess it's the same as with local/organic food, things costs more when there isn't an international evilcorp behind it evading taxes, paying employees only pennies and all the evil shit calitalism enables ...
Did you ever actually get a trojan? Started torrenting some 2 years ago, havent had any problems.
(Also, how to protect myself in case somerhing does happen? Im running radarf ona a nas, all users are android or linux)
The safest is using a VM for torrents, execute them there and see if there is weird behavior or weirdly increase of processes or services in the task manager or the equivalent to that on Linux.
Now yt-dlp is to download from YouTube and other sources, to download video and convert it to mp3 the command is: yt-dlp -x --audio-format mp3 (video url)