youtube-to-mp3

Install command: 
brew install --cask youtube-to-mp3

Name: MediaHuman YouTube to MP3 Converter

Downloads music from playlists or channels

https://www.mediahuman.net/youtube-to-mp3/

Cask JSON API: /api/cask/youtube-to-mp3.json

Cask code: youtube-to-mp3.rb on GitHub

Current version: 3.9.10

Current version requires: macOS >= 10.12

Versions:

Intel sequoia 3.9.10
sonoma 3.9.10
ventura 3.9.10
monterey 3.9.10
big sur 3.9.10
catalina 3.9.10
mojave 3.9.10
high sierra 3.9.10
sierra 3.9.10

Analytics:

Installs (30 days)
youtube-to-mp3 95
Installs (90 days)
youtube-to-mp3 269
Installs (365 days)
youtube-to-mp3 1,041
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