#refrain__chorus  the part of a song where a soloist is joined by a group of singers
  supertype:  #music  an artistic form of auditory communication incorporating instrumental or vocal tones in a structured and continuous manner
  subtype:  #tra-la-la  a set of nonsensical syllables used while humming a refrain
  part of:  #song  a short musical composition with words; "a successful musical must have at least three good songs"

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