<P> He describes Southern Athabascan music , that of the Apache and Navajo , as the simplest next to the Great Basin style , featuring strophic form , tense vocals using pulsation and falsetto , tritonic and tetratonic scales in triad formation , simple rhythms and values of limited duration ( usually only two per song ) , arc - type melodic contours , and large melodic intervals with a predominance of major and minor thirds and perfect fourths and fifths with octave leaps not rare . Peyote songs share characteristics of Apache music and Plains - Pueblo music having been promoted among the Plains by the Apache people . </P>
early native american music features intervals that are
large melodic major and minor thirds perfect fourths and fifths