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Introduction: The relationship between epilepsy and music is poorly understood. Musicogenic epilepsy, which involves seizures triggered by music, and epilepsy that triggers or involves musical experiences are rare. Anti-seizure medications (ASMs) may affect cognition and possibly the musical sphere. The relationship between epilepsy, ASMs and music perception is insufficiently investigated in the literature. This study describes the clinical characteristics of patients with epilepsy with advanced musical knowledge, and aims to understand the disease's involvement in the musical sphere., Patients and Methods: A qualitative study was conducted in epileptic patients with musical knowledge, investigating their musical perception before and after a diagnosis of epilepsy and after a change of ASM when this was possible. Questionnaires and recordings of music were used to assess musical perception., Results: Fourteen patients had musical knowledge, and the majority of these (50%) had temporal lobe epilepsy. A total of 92.8% of the patients stated that epilepsy or its medications had affected them in the musical sphere. There was no clear relationship between the lateralisation of the epilepsy and musical involvement. 42.9% were professional musicians, and had to give up their profession. The patients prescribed with more than one ASM had greater musical involvement., Conclusions: Temporal lobe epilepsy appears to have the greatest effect on music perception, and more studies with ASM and music perception are needed to determine its effects.