Musicality and being good the quiz might not be related that strongly. Music kind of relies on people being unable to notice difference <1/4 tone, or at least t

Musicality and being good the quiz might not be related that strongly. Music kind of relies on people being unable to notice difference <1/4 tone, or at least that's the closest you can get to true rational intervals with an equally-tempered piano (other instruments can cheat by changing their notes slightly to sound better).