The effect of a music-based care intervention on neuropsychiatric symptoms: secondary analysis of a cluster-randomised controlled study in nursing home residents with dementia and pain. - Myrenget ME; Sandvik R; Borchgrevink P; Selbæk G; Småstuen M; Rangul V; Håpnes O; Myskja A; Husebø B; Rustøen T (BMC geriatrics, 2026)