Residual Symptoms of Depression (SRD) are those symptoms that persist despite remission of MDD. They are characterized by a high incidence (approx. 90% of patients in remission) at the psychiatric clinic, have become a growing problem. Its presence is associated with a high probability of relapse / recurrence and disability, as determined by decreased performance and low quality of life. Their neglect has generated an increase in clinical and socioeconomic costs, alerting the need for research to provide treatment strategies. The application of different types of psychotherapy has been successful in abating SRD. The present study aims to evaluate the clinical changes related to the application of music therapy as a treatment of SRD, through a randomized controlled trial with two treatment arms trial. Music Therapy (MT) is a psychotherapy provided by specialized health professionals, and is defined as the clinical use of musical evidence-based interventions within a therapeutic relationship. MT treatment group will design an application schema of 8 sessions (2 hrs. Each) over a period of two months (one session per week). The control group will receive the Usual Treatment (TU) which corresponds to the usual clinical psychiatric treatment by the physician in the INPRF, with the same duration. The evaluation will be conducted with clinimetric testing at baseline, at the end of the track and after three months of treatment. This study seeks to identify the presence of SRD in a Mexican sample and explore a treatment designed for that purpose, also, show that the MT is a cost-effective implementation can become a new clinical option to extend the possibilities of assistance and deepen the investigation of this problem.