Inclusion Criteria for Nursing Homes:  Owned by partnering health care corporations Medicare / Medicaid-certified Have at least 20 eligible residents  Inclusion Criteria for Residents in Eligible Nursing Homes  Reside in eligible nursing home for last 90 days Have a dementia diagnosis  Exclusion Criteria for Nursing Homes:  recent situations that may affect implementation (for example, bad state or federal quality assurance surveys, leadership turnover, or other competing demands) previous use of Music and Memory  Exclusion Criteria for Residents in Eligible Nursing Homes:  dislikes music completely deaf