Sequel to music through ages
What this has anything to do with music?
Music being a mixture of sounds; a combo of musical notes (sounds) with a rhythm, isn't it? A melody that is heard and perceived differently for each individual.
What makes one kind of music more attractive than others to some individuals is the character (personality) growing up within each individual.
As you had seen that sounds are related to the core of a human being, it's not rare to see that at one time, one individual influence changes to other kind of music he wasn't attracted to in his previous "life", because now his character evolved to something new. An evolution which implies evolution of feelings, thoughts and attractiveness.
The multitude of music types existing is not by chance but mainly due to the multiple characters everyone may passes through during his existence.
Without saying that a myriad of foreign cultures, backgrounds, and languages contribute to the proliferation of music kinds too.
Hard Rock for eg: is a classical rock born in the western world in early 70s comparing to death metal, black metal, grunge, nu metal, trash metal born in the 90s and 2000.. Dozens of new kinds of the old hard rock. Hard rock evolved due to the evolution of characters in metal bands.
From vocals to guitarist, to bassist, or a drummer. Each of that quatuor has his own personnality. A personality he shows the world, as the general aspect of his being. His persona as specialists in behaviour describe such: What does he wear and how does he talk in public?
Such characters and personalities evolves due to multiple factors, they feel themselves trapped within their public character. Therefore, depression is on its way to come. And metal bands or whatever band or artists, or duo collapse and sink.
... to be continued