Use this to download this category as MP3 with youtube-dl:
declare -a list=("https://www.youtube.com/channel/UC8hhYBAMY4fBVsXvvZoyrmw/videos" "https://www.youtube.com/c/QueerGirlStraightSkates/videos" "https://www.youtube.com/user/YorelyLoveless/videos" "https://www.youtube.com/channel/UC9su11qZi0THvoAjbjPAWNQ/videos" "https://www.youtube.com/channel/UCBBJBgPBEK5gRfV3hNSF5pA/videos" "https://www.youtube.com/channel/UCO1EhqsVG8JSqh-lZLuZfgg/videos" "https://www.youtube.com/user/devaskation/videos" "https://www.youtube.com/channel/UC5MDrXAeEPmcsU1Xt70Aozg/videos" "https://www.youtube.com/user/zenchenmi/videos" "https://www.youtube.com/user/30bolton/videos" "https://www.youtube.com/channel/UCLASu2_XmFbAFWhfNtXoAHg/videos" "https://www.youtube.com/c/ShortysSkateSeries/videos")
for val in ${list[@]}; do
name=$(basename "$val")
if [ -e $name ]
then
continue
fi
mkdir $name
cd $name
youtube-dl -f mp3-128 $val
cd ..
done