Otherwise unspecified "major chords" are generally assumed to be major triads, and thus not tetrachords at all, which require four notes. I tried finding this section in the sources, but I couldn't find it. I wonder what's meant by this. Could it really mean that major triads are less pleasant than all tetrachords? That's surprising, since many tetrachords contain major triads.
> Major chords (which is what people who grew up hearing Western music tend to rate as positive), the Kalash instead describe as “strange,” rating them as less pleasant to listen to than “the most dissonant [of] all the possible tetrachords possible within the octave”.
> Major chords (which is what people who grew up hearing Western music tend to rate as positive), the Kalash instead describe as “strange,” rating them as less pleasant to listen to than “the most dissonant [of] all the possible tetrachords possible within the octave”.