For you music lovers, you’ll going to love Google’s Music Timeline.
No surprise, Google has been tracking music uploads with Google Play music libraries as well as the usual Google magic research data. Remember, they track everything.
While Google might be providing information to your friendly government agency, they have also created this really cool music timeline:
Google’s Music Timeline
You can not only see the ebb and flow of popularity between the different genres, but you can also click and see each genre closer. Check it out, it’s loads of fun.