20 Trailblazers Leading the Way in mp3 converter
https://golf-wiki.win/index.php?title=10_Principles_of_Psychology_You_Can_Use_to_Improve_Your_youtube_to_mp3_converter
The very best gamer for the task is the VLC player which is available for both Windows and Mac. So next time you hear someone trying to download YouTube videos as MP4 files you will know what to inform them.