“…The intervention duration ranged from 25 min up to the duration of the patient's hospital stay. Allred, Byers, and Sole () delivered music intervention postoperatively, before and after initial ambulation, for 20 min each time, whilst Hsu, Chen, Chen, Tseng, and Lin () delivered theirs 10 min before and for the duration of Continuous Passive Motion (CPM) treatment, for 2 days. Two studies had similar delivery time points (McCaffrey, ; McCaffrey & Locsin, ), with participants listening to music four times daily, for a minimum of an hour each time, until discharge.…”