Files created:
----------------------------------------
{output_directory}
  .ytdl-sub-single_song_test-download-archive.json
{output_directory}/YouTube/[2019] YouTube Rewind 2019: For the Record | #YouTubeRewind
  01 - YouTube Rewind 2019: For the Record | #YouTubeRewind.mp3
    Embedded Thumbnail, Music Tags:
      album: YouTube Rewind 2019: For the Record | #YouTubeRewind
      albumartist: YouTube
      albumartists: YouTube
      artist: YouTube
      artists: YouTube
      genre: Unset
      genres:
        - multi_tag_1
        - multi_tag_2
      title: YouTube Rewind 2019: For the Record | #YouTubeRewind
      track: 1
      tracktotal: 1
      year: 2019
  folder.jpg