I guess most of the words in a dictionary (for most language) designate concrete things so that part should be easy here.

As for abstractions the documents linked don't say much so I can't really understand what it's all about :).

At least some of neurobiological research is funded by advertisement companies so I guess if they don't have dollars they're not interesting :)

i wonder if any study has been done of the notes of the scale being used in different languages.

it'd be interesting to knowif brits hang out in C sharp, fr'example, or how many octaves mandarin uses, on average.

maybe some people in every culture just have more tuneful voices than others, maybe it goes wider...

'The history of public debt is full of irony. It rarely follows our ideas of order and justice.' Thomas Piketty