Efficacy of Music Therapy and Digital Music Rehabilitation in Dementia

Inclusion Criteria: * Diagnosed dementia (according to International Classification of Diseases \[ICD\] criteria), which is mild \[Clinical Dementia Rating (CDR) score: 0.5-1, Global Deterioration Scale (GDS) score: 3-4\], moderate (CDR: 2, GDS: 4-6), or severe (CDR: 3, GDS: 6-7) dementia * Age ≥ 60 years * Finnish-speaking (or bilingual; the study is performed in Finnish) * Stable physical and somatic condition (no major changes in psychotropic medication during the last 3 months) * Physically and cognitively able to take part in the intervention and assessments. Exclusion Criteria: * Prior severe psychiatric illness or substance abuse * Major hearing or visual impairment