The aesthetic practice itself is slightly different because the goal for this realistic makeup in China is to as closely simulate verisimilitude and as an authentic kind of representation of a foreigner as possible, even though this is not possible," says Claire Conceison, a professor at the Massachusetts Institute of Technology
Its unique interval is that between 6-7 -- the whole plus half step (or augmented 2nd). It can be thought of as a natural minor scale with a raised 7 scale degree.