This thread is over a year old! Instead of bringing old threads up, try to make your own or leave the thread alone. I'm sure this person doesn't need an answer anymore.
Music is used in every culture in some way or form. It has been around for generations. People use it for multiple things such as meditation, calmness, concentration, etc. It's perfectly normal for some people to get headaches to certain songs and voices. Plus music will not help your vision but it can help your mind. There are several benefits and downfalls because of music but those vary among individuals.