CMO,The Kid,Mmakshak,
I've gotta' say, it is hard to describe just how far off of the facts you are without coming off cruel, which I have no care and NO intention to do.
BUT ... YOU ARE WAY, WAY, WAY OFF OF THE MARK.
Markphd is so much closer as to how "it" happened to be. Today's music has been a long evolution in coming and many, many, many talented people are the reason. And,by the way,it goes beyond what the western world created.
Have you read anything on the topic? It's quite facinating and inspiring. Music is exciting in large part because it is a constantly evolving communication. It has life as its creators have life.
I am not minimizing the contribution The Beatles and The Stones made to "modern music". I am a huge fan and grew up with this music. But it is only a small fraction, albiet a larger small fraction, of what influenced "modern music".
Wait, what's that beat I hear in the distance? Are those tribal drums?