The psychological phenomena underlying such amazing virtual collective action are worthy to be addressed. I hypothesized the following: in order to achieve this kind of performance, the vocalists must call upon something called by psychologists: the affective theory of mind (AToM).
One thread that unites individuals across this ether; one thread that bonds individuals despite the fact they've never really connected or known about each other. Sometimes, you don't need more than one thread to truly care about someone.
The Big Apple Corps started out as a social organization, and continues today to offer a place where people can make friends -- and even fall in love.