tune

Noun
  1. A succession of notes forming a distinctive sequence (synset 107041860)
    "she was humming an air from Beethoven"
  2. The property of producing accurately a note of a given pitch (synset 104994418)
    "he cannot sing in tune"; "the clarinet was out of tune"
  3. The adjustment of a radio receiver or other circuit to a required frequency (synset 101002785)
Verb
  1. Adjust for (better) functioning (synset 200296747)
    "tune the engine"
  2. Adjust the pitches of (musical instruments) (synset 200296127)
    "My piano needs to be tuned"

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