After a bit of browsing on the internet, I did actually find this which is a short tutorial how to become a pop star. The trick is to repeat these 4 chords shown in the video and you will become famous.
This is also probably why music today do always pretty much sound the same but this is what it takes to be popular.
Finally, I have also hidden a music reference in the post which is related to one of the most recent winners in the Swedish music competition called "Melodifestivalen".
Video games don't cause violence, lag does.