How religious practices are reproduced has become a major theoretical issue. This work examines data on Nuaulu ritual performances collected over a 30 year period, comparing different categories of event in terms of frequency and periodicity. It seeks to identify the influencing factors and the consequences for continuity. Such an approach enables a focus on related issues: variation in performance, how rituals change in relation to material and social conditions, the connections between different ritual types, the way these interact as cycles, and the extent to which fidelity of transmission...