Template:YoutubeAudio/doc
This template renders a YouTube video as an audio-only player.
Note that the video is still loaded, it's just hidden out of view. To show the video, use {{Youtube}}.
You can also use {{audio}} to display this within a prepared table, along with a title, caption, image etc.
{{YoutubeAudio | Video ID}} {{YoutubeAudio | 5p1vacn3KcE}}