youtube-dl --extract-audio --audio-format mp3
Thank me later
Discussion
edit: use yt-dlp instead
Was about to write this 🙂
List of supported sites besides YouTube: https://github.com/yt-dlp/yt-dlp/blob/master/supportedsites.md
Or if you're looking for high quality music specifically SoulSeek is the goat
Been using this to download all my music for a while now. its better than spotify
Download PipePipe https://pipepipe.dev/ on your Android.
Zap me later
Download Metrolist https://github.com/mostafaalagamy/metrolist on your Android.
Zap me later.
yt-dlp -x -cio "%(playlist_title)s/%(playlist_index)02d-%(title)s.%(ext)s" --parse-metadata "playlist_index:%(track_number)s" --add-metadata --audio-quality 0
No need to thank me, I didn't come up with it. But not only does it download an entire album with good file names, it is faster because it picks the best audio quality available and doesn't convert it.
Use Docker for easy user interface with meTube