'The Outlaw Movement'.

You may have heard people talk about it, in a Country Music context.  In fact, you're probably familiar with one of the most successful and influential albums in Country Music history, 'Wanted: The Outlaws' featuring Willie Nelson, Waylon Jennings, Jessi Colter and Tompall  Glaser.  After all, it was the first million selling album in Country Music history.

But with all that being said, what exactly was this thing that's called 'The Outlaw Movement'?

It's explained here in this great video.

Oh, and it pretty effectively moved Country Music.  This wasn't your Daddy's Country Music anymore.