Information and Music Therapy as a Means of Reducing Preoperative Anxiety in Outpatient Surgery.

The patient will benefit from viewing the video and the music therapy session in the waiting room of the operating room. The patient will be asked again for their anxiety score using an anxiety scale. This will define the main outcome of the study. Following this collection and in order not to influence the response, investigators will collect from the patient his compliance with the two proposed techniques as well as his appreciation of the tool.