With python script of course 🙂

First install python, pip, ffmpeg and git:
apt install python python-pip ffmpeg git
Next step is to install youtube_dl:
sudo pip install --upgrade youtube_dl
Lets get python script from git:
git clone https://gist.github.com/benzap/90ff22790bc0a9c6fd2902e91da4baef
This is source code:
# Requires: youtube_dl module # Requires: ffmpeg # Usage: # # python youtube2mp3.py, ... # # Example: # # python youtube2mp3.py https://www.youtube.com/watch?v=dQw4w9WgXcQ import youtube_dl import sys ydl_opts = { 'format': 'bestaudio/best', 'postprocessors': [{ 'key': 'FFmpegExtractAudio', 'preferredcodec': 'mp3', 'preferredquality': '192', }], } if __name__ == "__main__": with youtube_dl.YoutubeDL(ydl_opts) as ydl: filenames = sys.argv[1:] ydl.download(filenames)
Move script from folder 90ff22790bc0a9c6fd2902e91da4baef:
mv 90ff22790bc0a9c6fd2902e91da4baef/youtube2mp3.py .
Now we are ready to fetch mp3:
python youtube2mp3.py https://www.youtube.com/watch?v=PAzZ0jo9MdI
This is my example:
[email protected]:~/Scripts/youtube$ python youtube2mp3.py https://www.youtube.com/watch?v=PAzZ0jo9MdI
[youtube] PAzZ0jo9MdI: Downloading webpage
[youtube] PAzZ0jo9MdI: Downloading video info webpage
[youtube] PAzZ0jo9MdI: Extracting video information
WARNING: "id" field is not a string - forcing string conversion, there is an error in extractor
[download] Destination: Greatest Rock N Roll Vietnam War Music - 60s and 70s Classic Rock Songs-PAzZ0jo9MdI.webm
[download] 100% of 65.34MiB in 00:01
[ffmpeg] Destination: Greatest Rock N Roll Vietnam War Music - 60s and 70s Classic Rock Songs-PAzZ0jo9MdI.mp3
Deleting original file Greatest Rock N Roll Vietnam War Music - 60s and 70s Classic Rock Songs-PAzZ0jo9MdI.webm (pass -k to keep)