In the ever-evolving digital era, the production of media content, especially on the YouTube platform, has become increasingly complex and involves many parties. Rewind Indonesia 2023, as one of the major collaborative projects, faced challenges in communication and coordination among hundreds of individuals involved. This research aims to explore the cross-functional communication and collaboration strategies implemented during the production process. The method used is descriptive qualitative by conducting indepth interviews with the co-producer as the key informant, as well as the director and three audience members as supporting informants. The results showed that individual involvement in the project created a strong sense of belonging, while a clear decision-making structure increased team motivation and engagement. In addition, a personalized and empathic communication approach proved effective in building trust among team members, which was crucial in overcoming conflicts and disagreements. The success of the project is not only measured by the quality of the final product, but also by its impact on the audience and its reciprocity after the release of this content. As such, this research provides valuable insights for collaborative project managers in the creative industry.