The case analysis describes the work done in music therapy with a 17 year old boy with severe mental and vision disorders, whose permanent place of residence is a National care centre. The client/patient attended 10 music therapy sessions. The author met the client/patient once a week, each session lasted for 60 minutes. The main goals of music therapy were improvements in interpersonal interaction and encouragement of communication, as well as development of attention persistence. Considering the clients/patients difficulties, abilities, resources and needs, the work in music therapy was based on integrative eclectic approach, which is based on creative music therapy in Latvia. To reach the therapeutic goals intervention focus, presence, active listening, informing, mirroring, influence by supporting and provoking were utilised and various vocal and instrumental improvisation techniques as well as techniques for hearing function improvement were used. While performing therapy session analysis and result assessment, it was identified, that the young adult has experienced growth in interpersonal interaction and communicative ability, as well as that his hearing function capabilities and abilities in maintaining attention had improved.