The types of music that cause these effects on the brain are mostly agressive forms of music such as heavy rock or rap. The specific type of beat may be at fault. It could also be attributed to the fact that too much repetition leads to feelings of anger and hostility.
To achieve positive effects of music on the brain, music must have certain attributes. It needs to be fairly complex to involve more of the brain in the activity and keep the person interested. New and different music is another factor that keeps the brain active and not bored.