In 73 individual cases reviewed by Evers and Ellger, 57 patients heard tunes that were familiar, while 5 heard unfamiliar tunes. These tunes ranged from religious pieces to childhood favorites, and also included popular songs from the radio. Vocal and instrumental forms of classical music were also identified in most patients. Keshavan found that the consistent feature of<unk>  was that it represented a personal memory trace. Memory traces refer to anything that may seem familiar to the patient, which indicate why certain childhood or familiar songs were heard. For the case of an 84 year old widow who complained of hearing sounds, she described her symptoms as pleasant, but also sought for treatment because she felt distracted. The music that played over her head was similar to the hymns and songs sung at her own wedding. Moreover, had been widowed for a while and had no signs of psychiatric disorders. However, she did suffer from hypertension, hyperthyroidism, and osteoporosis. From these diagnosis it was theorized that the distress from the illnesses manifested the<unk> . Through further analysis, researchers found that due the unexpected origin of the<unk> , there is no clear diagnosis or treatments to carry out. Another case, which studies a 74-year-old woman, described her symptoms as music that would play in short verses of patriotic and children's songs. These symptoms would occur when the patient was alone and much more frequently when driving. Researchers suspected her hearing loss as a factor for developing the<unk> . Moreover, through further analysis the patient had a medical history of hypertension, hyperlipidemia, and atrial fibrillations. Oftentimes, cases are commonly found in the elderly, but a 29-year-old female reported hearing music for one week. Prior to her<unk> , the patient had undergone surgery for intraventricular and intracranial hemorrhages, following her recover, she mentioned the onset of<unk>  followed by headaches. Through scans, doctors found no neurological impairments, but prescribed her with medication. For her, the symptoms only lasted a year due to the treatment of quetiapine, which she responded well to.
Musical hallucinations
Racing thoughts
Callous and unemotional traits
Grandiose delusions
Ideas and delusions of reference
Musical anhedonia
Body-focused repetitive behavior
Compulsive talking