Staging public performances can be a fruitful approach to CVE research. We describe four recent experiences: Out of This World, a live gameshow; Avatar Farm, a (3D) recorded participatory drama; Desert Rain, a mixed reality performance for six players; and Can You See Me Now?, a game that mixed on-line players with players on the streets. For each, we describe how a combination of ethnography, audience feedback and analysis of system logs led to new design insights, especially in the areas of

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... chestration and making activity available to viewers. We propose enhancing this approach with new tools for manipulating, analysing and sharing 3D recordings of CVEs.