theme song

Definitions of theme song
  1. noun
    a melody used to identify a performer or a dance band or radio/tv program
    synonyms: signature, signature tune
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    type of:
    air, line, melodic line, melodic phrase, melody, strain, tune
    a succession of notes forming a distinctive sequence
  2. noun
    a melody that recurs and comes to represent a musical play or movie
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    type of:
    air, line, melodic line, melodic phrase, melody, strain, tune
    a succession of notes forming a distinctive sequence
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