Shared understanding between improvising musicians

We often assume that great musical partnerships are just that - relationships built on a mutual understanding, intensive practice together, learning how to be totally in sync to create an incredible performance. But is it essential that musicians have this 'special relationship' to produce great music? Psychologist and pianist Michael Schober from the New School for Social Research in New York has been investigating and, in this podcast, describes an experiment he has carried out to try to find out.