GitHub - coolguruji/youtube-to-mp3-converter-php-script: This youtube to mp3 converter is a full php scripts for webmasters. No requirement of FFMPEG, Youtube-dl or Dedicated/vps server.
GitHub - Alexander-kim/PHP-Youtube-to-MP3-Converter: Download youtube videos as mp3 with using youtube-mp3.org
MP3 Search Script Pro PHP by Theveloper | Codester