A Brief History in Rock Music

The reason why i have chosen this subject is following. You (Jonas Grönberg) told us basically to write about anything in English. Then I thought "o wait, here is a subject i know, so why not choose that to write about"
A brief history in rock music. Ok when you read a brief history in rock music you might think in going to start writing how rock was invented in the slave culture. Actually no, im going to write about how Hard rock was invented and its impact on today's music and how modern Hard rock sounds like. I thought you who are a musician might find some of this interesting, and getting some pleasure reading it.
During the time of the late 60s there was getting more and more popular to play harder and more aggressive rock music, the charts were still dominated by The Beatles and The Rolling Stones. …