Convert a YouTube video to MP3.

youtube2mp3.py

import youtube_dl
from pydub import AudioSegment

# Define the YouTube video URL
url = "https://www.youtube.com/watch?v=dQw4w9WgXcQ"
url = "https://www.youtube.com/watch?v=21nt2kbj5Kk" #Goalie Pre Game Visualization

# Download the video using youtube_dl
ydl_opts = {
    'format': 'bestaudio/best',
    'postprocessors': [{
        'key': 'FFmpegExtractAudio',
        'preferredcodec': 'mp3',
        'preferredquality': '192',
    }],
}
with youtube_dl.YoutubeDL(ydl_opts) as ydl:
    ydl.download([url])

# Load the downloaded video
video = AudioSegment.from_file("{}.mp3".format(url.split("=")[-1]), format="mp3")

# Save the video as an MP3 file
video.export("song.mp3", format="mp3")