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It's to the best of our knowledge. I'm Anne Strange Champs. Today, re-remixing.

Have you ever heard a new song on the radio and thought, wait, I've heard that before.

It's kind of like musical deja vu. I take this song, Blurred Lines by Robin Thicke and Farrell Williams.

It was a big hit back in 2013, so it was kind of hard to miss,

especially if, like me, you have teenagers at home.

Anyway, when I first heard this song, I could have sworn I'd heard it before,

but I couldn't quite place it.

And then this year, the family of Marvin Gay won a $7.3 million court case, all because

blurred lines sounds eerily similar to this. Marvin Gay's

1977 classic got to give it up.

Let's be honest, this is not an entirely new story.

Artists have always borrowed and built off the ideas of others, and even the creators of

Blurred Lines admit their song was inspired by Gay.

So what makes this copyright case really interesting is that it falls into the murky space

between inspiration and outright imitation.

There aren't obvious hooks or melodies that were lifted from Gay's classic. The percussion

and the singing are similar, but does that really count as copying? Where do you draw the line?

There's a long history of sample-related cases going back decades, and that had really been the

way that most people understood issues of copyright infringement in music. And that had really been the way that most people understood issues of

copyright infringement in music. And so this is something really very different. And that's the

...