unfolding
the implication of more than one melody or line by a single voice through skipping back and forth between the notes of the two melodies
en-US/ənˈfoʊldɪŋ/
en-GB/ʌnˈfəʊldɪŋ/
the implication of more than one melody or line by a single voice through skipping back and forth between the notes of the two melodies