of, or pertaining to, intervals

listen to the pronunciation of of, or pertaining to, intervals
الإنجليزية - الإنجليزية
intervallic

The two Integrations of 1967 are the most intervallic of the selections here, emphasizing minor ninths and “minor” fifths (13 quarter tones), and, in the second Integration, setting up simultaneous “rotations” of descending and ascending “minor” fifths.