A live media streaming architecture facilitates live interaction among multiple participants, such as viewers and stage performers for a show. A cluster of computers is responsible for generating, transmitting, and displaying a composed live stream, such as a grid, of one group of individuals, by mixing live streams from those individuals, that will allow them to interact with a stage performer or other contributors or other individuals during an event. The architecture can support receiving the live streams at a physical location of an event or other locations for centralized redistribution.