Multiplexes, dominated by the triumvirate of Village, Hoyts and Greater Union.
He is one corner of the triumvirate of guitarists who made their bones playing with the Yardbirds in the mid 1960s.
The struggle is to get people away from the established triumvirate of entree, main, dessert.
But it's the triumvirate of food, service and style — that mysterious X factor — that combine to make the whole of the experience.
This triumvirate of institutions is led by three comparatively youthful directors.