A systematic review of the wellbeing outcomes of music and singing in adults and the processes by which wellbeing outcomes are achieved.

The protocol for this review was registered on the PROSPERO International Prospective Register of Systematic Reviews (Registration number CRD42016038868). The review sought to address the question: ‘What are the wellbeing outcomes of music and singing for adults and what are the processes by which wellbeing outcomes are achieved?’ This volume includes an overview of the review process and a discussion of the findings of research into healthy adults. Research on music and singing interventions for adults with identified health conditions is reviewed in Volume 2. Volume 3 examines studies of participants with dementia.