Song-making In a Group (SING) R61

Inclusion Criteria: * voice hearing patients meeting diagnostic criteria for Diagnostic and Statistical Manual-V psychotic disorder * hearing voices at least once a day * PANSS P3 (Hallucinations item) greater than 3 * Prior to study participation all patients will be evaluated for i) protocol eligibility; ii) ability to give informed consent; iii) interaction with the study team to determine participant's probability of completing the study; and iv) ability to cooperate with protocol procedures. The flow of all participants will be reviewed at weekly research meetings in consultation with the study team. Exclusion Criteria: * Diagnostic and Statistical Manual-IV substance abuse or dependence (past six months) * clinically significant medical conditions, head injury with neurological symptoms or unconsciousness * mental retardation (IQ\<70) * Non-English speaking * no less than 2 weeks of stable doses of psychotropic medications (to avoid transient effects of medication regiment change; medication type and dose will be carefully recorded and used as a covariate in all analyses) * Co-morbid mood or anxiety diagnosis * clinically/behaviorally unstable and unable to cooperate with SING procedures * Unstable medical condition based on medical history, physical examination and routine laboratory work-up