they are not kept, its a playlist reproduced in the mpv player, you can use this command if you want to play it:
mpv --no-config --profile=pseudo-gui --autofit=60% --ytdl --ytdl-format=18/22/bestaudio*/mp4 "https://www.youtube.com/?list=PL8StX6hh3Nd8JNRF75IOA9wnC8pKfB7cs"
or
mpv --no-config --profile=pseudo-gui --autofit=60% "https://www.youtube.com/?list=PL8StX6hh3Nd8JNRF75IOA9wnC8pKfB7cs"
You can also use that link to play it on youtube directly
