Music for Surgical Intensive Care (MUSIC)

The intervention group will receive a soundtrack through individual choice of anti-noise headphones. The music offer platform will be provided by an application developed by MusicCare (www.music.care/en/index.html) in two periods of the day (09:00 and 16:00), lasting 45 minutes each, for up to seven postoperative days or until discharge from the unit (whichever occurs first). MusicCare has been widely tested in several countries and there are a large number of publications in anesthesiology, ICU, cardiology and neurology, among other specialties, demonstrating its safety and efficacy69,70. Patients who were hospitalized for more than 48 hours, that is, who received a minimum of 4 intervention periods, will be considered as patients with effective intervention. Patients with less time will be evaluated in the form of intention to treat.