semitonally

/ˌsɛmiˈtoʊnəli/
adverb
  1. In a way that involves or uses semitones; by intervals of a semitone.
    • She played the passage semitonally to match the original recording.
    • The harmony progresses semitonally, creating a sense of tension.
    • The melody moves semitonally, giving it a sliding, eerie quality.
Antonyms
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