IRCT20151228025732N69 IRCT 2021-11-29 Semnan University of Medical Sciences Effects of selected music therapy on anxiety severity quantity of patients acute respiratory failure covid-19 Effects of selected music-therapy on anxiety severity quantity and some indicators physiological of patients acute respiratory failure covid-19 undergoing non-invasive mechanical ventilation 2021-12-01 anticipated 90 Complete https://irct.ir/trial/59857 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Diagnostic, Randomization description: We will construct 6 blocks in ABC, ACB, BAC, BCA, CAB, and CBA using three blocks. We will assign 1 to 6 for each block. Then, using the random number table, based on the sample size, 30 units of 3 blocks will be selected so that we consider having 30 people in the group (A), 30 people in the group (B) and 30 people in the group (C). Therefore, we will do block randomization. N/A Coronavirus. Intervention 1: Intervention group 1: For each patient under non-invasive mask ventilation, he chooses 5 types of non-verbal soothing music based on his taste and plays for 20 minutes in the evening, using a headphone when no intervention is performed. Before and after the music is over, the physiological condition and vital signs and severity of the situational anxiety are measured again. Intervention 2: Intervention group 2: For 20 minutes, a headphone is inserted when no care or treatment intervention is performed for the patient. but the player is turned off and nothing is played to the patient. Intervention 3: Control group: The same routine interventions are performed and no additional interventions are performed. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is No more information.