[
  "amazing_grace",
  "brahms",
  "frere_jacques",
  "greensleeves",
  "happy_birthday",
  "hymn_joy",
  "jeopardy",
  "joy_world",
  "minuet",
  "pachelbel",
  "pure_imagination",
  "through_the_campfire",
  "vie_en_rose"
]