In 2006 , he received the Governor General 's Performing Arts Award for Lifetime Artistic Achievement , Canada 's highest honour in the performing arts .
In 2005 , Robertson received an honorary doctorate from York University .
In 2006 , Robertson received the Governor General 's Performing Arts Award for Lifetime Artistic Achievement , Canada 's highest honour in the performing arts .
In 2005 , Robertson received an honorary doctorate from York University .