Galinha, I. C., Fernandes, H. M., Lima, M. L. & Palmeira, A. L. (2023). Intervention and mediation effects of a community-based singing group on older adults’ perceived physical and mental health: the Sing4Health randomized controlled trial. Psychology and Health, 38(1), 1?21. https://doi.org/10.1080/08870446.2021.1955117