CBC GEM will broadcast the whole concert on CANADA DAY/JULY 1 this year. I don't know if streaming from the u.s./out of Canada can be done on CBC GEM...
try the link below to see if you can access any of the posted shows...
Once it is posted on July 1 I will find out how this can be viewed by everyone, everywhere..
https://gem.cbc.ca/cbc-music-present...at-massey-hall