1. Psychological effect: If you have some knowledge of these forbidden songs before, then when you listen to it, your psychology will constantly hint to you that "these forbidden songs are scary", so that your brain will feel The feeling of horror, sadness, and sadness continues to deepen.

2. The people who composed these banned songs all have certain musical literacy, as well as other factors. For example, the author of "Confessional" is a believer, and the song itself also contains "confession." Therefore, after hearing this, many believers committed suicide in unison and headed for the "ideal paradise." Furthermore, if you have some "feeling" for music, or some literacy, it is easy to have some alternative "sounds" to these songs, which will produce the phenomenon you mentioned.