“Musical innovation is full of dangers for the State, since when the ways of music change, the laws of the State always change with them” (Plato “The Republic”). This saying contains the truth; Furthermore, it highlights the fact that music can have not only positive but also negative effects. Music can also lead to violence and cruelty of people and this essential problem should be solved as soon as possible; however it is not as simple as it seems. First of all it is necessary to define the term “music”. In general, it is an art form, the medium of which is sound and silence. The definition of the concept "music" can vary depending on cultural and social conditions. Music is part of people's lives as it influences their opinions, behavior, way of life, social interaction and participation in different activities. Music has been created for a wide variety of purposes such as entertainment, aesthetic pleasure, emotional satisfaction, a means of education, a way of spending free time, a means of expressing one's opinions and feelings and so on. The phenomenon of music is embedded in many disciplines: psychology, linguistics, sociology, philosophy, biology, mathematics, literature, art and others. The influence of music on people has been deeply studied by psychologists. Knowledge in this area is mainly based on observations and experiments with human and animal participation. There is also a branch of psychology called "musical psychology", which studies musical performance, composition, education, criticism and therapy. Psychologists have demonstrated that music is the product of human processing mechanisms, free from external constraints. This means that only music can optimally exploit these mechanisms (Deutsch “Psychology and music...... middle of paper ......m music can change people's minds and behavior for the better and better worse This is why music can have both negative and positive effects. The positive impact manifests itself in improving health, mood control, treating diseases (e.g. cancer) and identifying in society , Satanism and abuse. of substances. The degree of violence depends on the content of the music. The most harmful contents include heavy metal, rock, death metal, rap, gangsta rap, industrial, hardcore and alternative music. The types of music vary: escapism, psychological problems or physical, family abuse and others. The negative impact of music continues to be a persistent and widespread public problem. The best way to solve this problem is to do it within the family or school.