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Article History

Received: 23 May 2019

Accepted: 12 March 2020

First Online: 3 April 2020

Ethics approval and consent to participate

: The study was approved by the North Denmark Region Committee on Health Research Ethics on 5 September 2017; N-20170055 case number 58691. Additional applications have been approved 15 March, 2018 and 17 October, 2018 case number 62478. Protocol version number 3. Participants sign an informed consent to participate. Additional consent for collection and use of log data from the accelerometer and the Music Star app has been signed by all participants.

: Not applicable.

: HNL is co-inventor of the Music Star app and has economic interest in the research due to ownership and sales of the Music Star app. The Music Star app is commercialized in collaboration with the company AudioCura, which delivers sound equipment to Aalborg University Hospital. The company has no influence on the study. The inventors HNL and LRB are music therapists employed at Aalborg University Hospital of whom only HNL (the first author) is a member of the research group. The inventors follow the ethical principles by the Danish Union of Music Therapists (Dansk Musikterapeutforening). HNL is responsible for data collection. All data are entered in REDCAP by a research assistant independently of the first author. A statistician is responsible for data analysis. The authors INP, SPJ, AMH-S, MT, GB, JIL, EK, AL, HØ, BG, HB, JBV, and JM declare that they have no competing interests.