The Vaulted Harmonies project explores the co-evolution of architecture, acoustics, and music in the cathedral Notre-Dame de Paris through immersive audiovisual experiences. Following the production of a one-hour animated feature film combining historically informed visual reconstructions and dynamic spatial audio renderings, three additional dissemination formats were developed: a dome version for planetarium diffusion, a standalone virtual reality experience, and a web-based interactive experience. While derived from the same core assets and archaeoacoustic reconstruction workflow, each platform required specific perceptual, technical, and distribution-oriented adaptations. This paper presents the shared adaptation workflow, platform-specific constraints and rendering strategies, and discusses scalable dissemination approaches for immersive heritage experiences.