Norway Siren EriksenNorwegian Advisory unit on Ageig and Health / VID Spesialized University Christian GoldNORCE Norwegian Research Centre ASResearcher, clinical trialist. RCT methodology, music therapy. Aud JohannessenUniversity of South-Eastern Norway / Norwegian National Advisory Unit on Ageing and HealthProfessor and Doctor of Public Health. Research on dementia and their families, and alcohol and pshychotropic drug use among older people. Anne Marie Mork RokstadSenior Researcher at Norwegian National Centre for Ageing and Health and Professor at Molde University College, Norway