#canon.musical_composition  a contrapuntal piece of music in which a melody in one part is imitated exactly in other parts
  supertype:  musical_composition__musicalcomposition__opus__composition__piece__piece_of_music  a musical work that has been created; "the composition is written in four movements"
  subtype:  enigma_canon__enigmatic_canon__enigmaticcanon__enigmatical_canon__enigmaticalcanon__riddle_canon  a canon in which the entrances of successive parts were indicated by cryptic symbols and devices (popular in the 15th and 16th centuries)

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