diatonically

/ˌdaɪəˈtɑnɪkli/
adverb
  1. In a way that relates to a standard major or minor musical scale (the diatonic scale), using only the notes of that scale without chromatic alterations.
    • The melody moves diatonically, staying within the key of C major.
    • She played the scale diatonically, skipping no notes.
    • The composer wrote the passage diatonically to keep a simple, folk-like sound.
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